-------------------------------------------------------------------------------
      name:  <unnamed>
       log:  /Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urp
> elainen Zhang)/JOP/UZ_JOP2021_Replication/Analysis/logSTATA/004_analysis_envi
> ronment.smcl
  log type:  smcl
 opened on:   6 Nov 2021, 19:49:47

. 
. 
. *****************************************************************************
> **
. /*                                        URPELAINEN & ZHANG 2021            
>                                     */
. *****************************************************************************
> **
. 
. /* 
> 
> File Name:      004_analysis_environment.do
> 
> By:                             Alice Tianbo Zhang (alice.tianbo.zhang@gmail.
> com)
> 
> Last Edited:    10/11/2021
> 
> Purpose:                
> 
> Data Used:      votes_wind_panel.dta
>                                 ACS_panel_balanceTest_recodeVar.dta
> 
> Program Used:   - reghdfe -
>                                 - coefplot -
>                                 - grc1legv -
> 
> */
. 
. 
. *****************************************************************************
> **
. /*                                                      TABLE 6              
>                                                 */
. *****************************************************************************
> **
. 
. ** Load wind votes panel
. cd "$rootDir/$dataDir/Final"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Data/Final

. use votes_wind_panel.dta, clear

. 
. ** Create instrument and fixed effects
. gen t = year - 2003

. gen inter = t * mean_wp

. 
. egen stateyear_fixed = group(state year)

. egen district_fixed = group(state district)

. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)

. gen cum_lncount_turbine = log(cum_count_turbine +1 )

. 
. 
. *------------ Main results: By pro- or anti- environmental voting -----------
> -*
. local outcome pro_env anti_env // outcome variable 

. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbin
> e cum_lncount_turbine // endogenous variable

. local instrument inter // instrument

. local admin1_trend stateyear_fixed // geography * time trend

. local admin2 district_fixed // panel unit (cluster variable)

. 
. /* List of variables:
>                 
>   1. outcome            - dependent variable
>   2. endogenous         - independent variable (endogeous) to be instrumented
>   3. instrument         - instrument
>   4. admin1_trend       - admin1-specific time trend (i.e. state by year fixe
> d effect) 
>   5. admin2             - panel unit and cluster variable (i.e congressional 
> district fixed effect)
> 
> */
. 
. foreach y in `outcome' {
  2.         // Create outcome variable label for storing estimates
.         tokenize "`y'", parse("_")
  3.         local y_name "`1'"
  4.         di "`y_name'"
  5.         
.         foreach x in `endogenous' {
  6.                         // Create endogenous variable label for storing es
> timates
.                         tokenize "`x'", parse("_")
  7.                         local x_name "`3'"
  8.                         di "`x_name'"
  9.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_tren
> d' `admin2') ffirst stages(first ols reduced) vce(cluster `admin2') old
 10.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
 11.                         estimates restore reghdfe_first1
 12.                         estimates store `y_name'_`x_name'_first
 13.                         estimates restore reghdfe_ols
 14.                         estimates store `y_name'_`x_name'_ols
 15.                         estimates restore reghdfe_reduced
 16.                         estimates store `y_name'_`x_name'_reduced
 17.                 }
 18. }
pro
capacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      16.61
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7326
                                                  Adj R-squared   =     0.6709
                                                  Within R-sq.    =     0.1224
Number of clusters (district_fixed) =        287  Root MSE        =   120.3359

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.20825   9.130689     4.08   0.000     19.23638    55.18013
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       6.09
Statistics robust to heteroskedasticity           Prob > F        =     0.0142
                                                  R-squared       =     0.8651
                                                  Adj R-squared   =     0.8341
                                                  Within R-sq.    =     0.0085
Number of clusters (district_fixed) =        287  Root MSE        =    16.5152

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0119034    .004824     2.47   0.014     .0024083    .
> 0213985
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       5.16
Statistics robust to heteroskedasticity           Prob > F        =     0.0238
                                                  R-squared       =     0.8646
                                                  Adj R-squared   =     0.8334
                                                  Within R-sq.    =     0.0046
Number of clusters (district_fixed) =        287  Root MSE        =    16.5477

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9308436    .409736     2.27   0.024     .1243631    1.737324
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.61    0.0001 |       18.26   0.0000 |       16.61

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.52    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     364.87
Kleibergen-Paap Wald rk F statistic                                16.61

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.16     P-val=0.0238
Anderson-Rubin Wald test           Chi-sq(1)=      5.67     P-val=0.0172
Stock-Wright LM S statistic        Chi-sq(1)=      5.02     P-val=0.0251

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     5.26
                                                      Prob > F      =   0.0226
Total (centered) SS     =  640958.6166                Centered R2   =   0.8637
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  642122.6362                Root MSE      =     16.6

-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0250171   .0109094     2.29   0.023     .0035442     
>  .04649
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.517
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              364.870
                         (Kleibergen-Paap rk Wald F statistic):         16.606
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      16.23
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9784
                                                  Adj R-squared   =     0.9734
                                                  Within R-sq.    =     0.1301
Number of clusters (district_fixed) =        287  Root MSE        =    66.5993

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    21.3248   5.293815     4.03   0.000     10.90502    31.74458
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       6.60
Statistics robust to heteroskedasticity           Prob > F        =     0.0107
                                                  R-squared       =     0.8653
                                                  Adj R-squared   =     0.8343
                                                  Within R-sq.    =     0.0098
Number of clusters (district_fixed) =        287  Root MSE        =    16.5044

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0229887   .0089498     2.57   0.011     .0053729    .040
> 6046
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       5.16
Statistics robust to heteroskedasticity           Prob > F        =     0.0238
                                                  R-squared       =     0.8646
                                                  Adj R-squared   =     0.8334
                                                  Within R-sq.    =     0.0046
Number of clusters (district_fixed) =        287  Root MSE        =    16.5477

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9308436    .409736     2.27   0.024     .1243631    1.737324
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.23    0.0001 |       17.84   0.0000 |       16.23

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.20    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     391.27
Kleibergen-Paap Wald rk F statistic                                16.23

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.16     P-val=0.0238
Anderson-Rubin Wald test           Chi-sq(1)=      5.67     P-val=0.0172
Stock-Wright LM S statistic        Chi-sq(1)=      5.02     P-val=0.0251

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     5.39
                                                      Prob > F      =   0.0209
Total (centered) SS     =  640958.6166                Centered R2   =   0.8642
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  639752.0859                Root MSE      =    16.57

-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0436508   .0187984     2.32   0.021       .00665    .080
> 6515
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.202
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              391.274
                         (Kleibergen-Paap rk Wald F statistic):         16.227
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      33.15
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8576
                                                  Adj R-squared   =     0.8248
                                                  Within R-sq.    =     0.0518
Number of clusters (district_fixed) =        287  Root MSE        =     0.7437

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1439575   .0250042     5.76   0.000     .0947419    .1931731
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       0.01
Statistics robust to heteroskedasticity           Prob > F        =     0.9362
                                                  R-squared       =     0.8640
                                                  Adj R-squared   =     0.8326
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        287  Root MSE        =    16.5858

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
               pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .0460985   .5756192     0.08   0.936    -1.086889   
>  1.179086
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       5.16
Statistics robust to heteroskedasticity           Prob > F        =     0.0238
                                                  R-squared       =     0.8646
                                                  Adj R-squared   =     0.8334
                                                  Within R-sq.    =     0.0046
Number of clusters (district_fixed) =        287  Root MSE        =    16.5477

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9308436    .409736     2.27   0.024     .1243631    1.737324
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.15    0.0000 |       36.44   0.0000 |       33.15

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.33    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     142.98
Kleibergen-Paap Wald rk F statistic                                33.15

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.16     P-val=0.0238
Anderson-Rubin Wald test           Chi-sq(1)=      5.67     P-val=0.0172
Stock-Wright LM S statistic        Chi-sq(1)=      5.02     P-val=0.0251

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     4.70
                                                      Prob > F      =   0.0310
Total (centered) SS     =  640958.6166                Centered R2   =   0.8521
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  696979.8045                Root MSE      =     17.3

-------------------------------------------------------------------------------
---------
                       |               Robust
               pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   6.466102   2.982404     2.17   0.031     .5958564   
>  12.33635
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.328
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              142.979
                         (Kleibergen-Paap rk Wald F statistic):         33.147
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      32.51
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8974
                                                  Adj R-squared   =     0.8738
                                                  Within R-sq.    =     0.0533
Number of clusters (district_fixed) =        287  Root MSE        =     0.6452

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1267885   .0222374     5.70   0.000     .0830188    .1705582
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       0.01
Statistics robust to heteroskedasticity           Prob > F        =     0.9311
                                                  R-squared       =     0.8640
                                                  Adj R-squared   =     0.8326
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        287  Root MSE        =    16.5858

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
            pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .0564673   .6527039     0.09   0.931    -1.228245     1
> .34118
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       5.16
Statistics robust to heteroskedasticity           Prob > F        =     0.0238
                                                  R-squared       =     0.8646
                                                  Adj R-squared   =     0.8334
                                                  Within R-sq.    =     0.0046
Number of clusters (district_fixed) =        287  Root MSE        =    16.5477

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9308436    .409736     2.27   0.024     .1243631    1.737324
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.51    0.0000 |       35.74   0.0000 |       32.51

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=31.90    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     147.39
Kleibergen-Paap Wald rk F statistic                                32.51

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.16     P-val=0.0238
Anderson-Rubin Wald test           Chi-sq(1)=      5.67     P-val=0.0172
Stock-Wright LM S statistic        Chi-sq(1)=      5.02     P-val=0.0251

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     4.66
                                                      Prob > F      =   0.0318
Total (centered) SS     =  640958.6166                Centered R2   =   0.8524
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  695326.9551                Root MSE      =    17.27

-------------------------------------------------------------------------------
------
                    |               Robust
            pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   7.341705   3.402356     2.16   0.032     .6448698    14
> .03854
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             31.898
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              147.393
                         (Kleibergen-Paap rk Wald F statistic):         32.508
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
anti
capacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      16.61
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7326
                                                  Adj R-squared   =     0.6709
                                                  Within R-sq.    =     0.1224
Number of clusters (district_fixed) =        287  Root MSE        =   120.3359

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.20825   9.130689     4.08   0.000     19.23638    55.18013
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       4.55
Statistics robust to heteroskedasticity           Prob > F        =     0.0338
                                                  R-squared       =     0.8709
                                                  Adj R-squared   =     0.8411
                                                  Within R-sq.    =     0.0064
Number of clusters (district_fixed) =        287  Root MSE        =    16.0649

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0100561   .0047158    -2.13   0.034    -.0193382    -
> .000774
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       8.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0048
                                                  R-squared       =     0.8710
                                                  Adj R-squared   =     0.8413
                                                  Within R-sq.    =     0.0074
Number of clusters (district_fixed) =        287  Root MSE        =    16.0574

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -1.144775   .4030864    -2.84   0.005    -1.938167   -.3513826
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.61    0.0001 |       18.26   0.0000 |       16.61

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.52    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     364.87
Kleibergen-Paap Wald rk F statistic                                16.61

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       8.07     P-val=0.0048
Anderson-Rubin Wald test           Chi-sq(1)=      8.87     P-val=0.0029
Stock-Wright LM S statistic        Chi-sq(1)=      7.76     P-val=0.0053

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     7.17
                                                      Prob > F      =   0.0078
Total (centered) SS     =  605217.3263                Centered R2   =   0.8674
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  617819.4865                Root MSE      =    16.28

-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0307667   .0114872    -2.68   0.008    -.0533768   -.
> 0081566
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.517
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              364.870
                         (Kleibergen-Paap rk Wald F statistic):         16.606
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      16.23
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9784
                                                  Adj R-squared   =     0.9734
                                                  Within R-sq.    =     0.1301
Number of clusters (district_fixed) =        287  Root MSE        =    66.5993

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    21.3248   5.293815     4.03   0.000     10.90502    31.74458
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       4.59
Statistics robust to heteroskedasticity           Prob > F        =     0.0331
                                                  R-squared       =     0.8710
                                                  Adj R-squared   =     0.8413
                                                  Within R-sq.    =     0.0071
Number of clusters (district_fixed) =        287  Root MSE        =    16.0591

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0190738   .0089064    -2.14   0.033    -.0366042   -.001
> 5434
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       8.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0048
                                                  R-squared       =     0.8710
                                                  Adj R-squared   =     0.8413
                                                  Within R-sq.    =     0.0074
Number of clusters (district_fixed) =        287  Root MSE        =    16.0574

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -1.144775   .4030864    -2.84   0.005    -1.938167   -.3513826
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.23    0.0001 |       17.84   0.0000 |       16.23

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.20    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     391.27
Kleibergen-Paap Wald rk F statistic                                16.23

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       8.07     P-val=0.0048
Anderson-Rubin Wald test           Chi-sq(1)=      8.87     P-val=0.0029
Stock-Wright LM S statistic        Chi-sq(1)=      7.76     P-val=0.0053

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     7.28
                                                      Prob > F      =   0.0074
Total (centered) SS     =  605217.3263                Centered R2   =   0.8679
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  615124.7564                Root MSE      =    16.25

-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0536828   .0199025    -2.70   0.007    -.0928567   -.014
> 5089
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.202
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              391.274
                         (Kleibergen-Paap rk Wald F statistic):         16.227
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      33.15
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8576
                                                  Adj R-squared   =     0.8248
                                                  Within R-sq.    =     0.0518
Number of clusters (district_fixed) =        287  Root MSE        =     0.7437

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1439575   .0250042     5.76   0.000     .0947419    .1931731
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       0.00
Statistics robust to heteroskedasticity           Prob > F        =     0.9603
                                                  R-squared       =     0.8701
                                                  Adj R-squared   =     0.8401
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        287  Root MSE        =    16.1167

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
              anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.0268064   .5385468    -0.05   0.960    -1.086825   
>  1.033212
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       8.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0048
                                                  R-squared       =     0.8710
                                                  Adj R-squared   =     0.8413
                                                  Within R-sq.    =     0.0074
Number of clusters (district_fixed) =        287  Root MSE        =    16.0574

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -1.144775   .4030864    -2.84   0.005    -1.938167   -.3513826
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.15    0.0000 |       36.44   0.0000 |       33.15

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.33    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     142.98
Kleibergen-Paap Wald rk F statistic                                33.15

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       8.07     P-val=0.0048
Anderson-Rubin Wald test           Chi-sq(1)=      8.87     P-val=0.0029
Stock-Wright LM S statistic        Chi-sq(1)=      7.76     P-val=0.0053

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     6.82
                                                      Prob > F      =   0.0095
Total (centered) SS     =  605217.3263                Centered R2   =   0.8517
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  690593.7598                Root MSE      =    17.22

-------------------------------------------------------------------------------
---------
                       |               Robust
              anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -7.952173   3.044985    -2.61   0.009     -13.9456   
> -1.958749
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.328
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              142.979
                         (Kleibergen-Paap rk Wald F statistic):         33.147
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =      32.51
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8974
                                                  Adj R-squared   =     0.8738
                                                  Within R-sq.    =     0.0533
Number of clusters (district_fixed) =        287  Root MSE        =     0.6452

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1267885   .0222374     5.70   0.000     .0830188    .1705582
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       0.02
Statistics robust to heteroskedasticity           Prob > F        =     0.8912
                                                  R-squared       =     0.8701
                                                  Adj R-squared   =     0.8401
                                                  Within R-sq.    =     0.0000
Number of clusters (district_fixed) =        287  Root MSE        =    16.1167

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
           anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.0843623   .6160371    -0.14   0.891    -1.296904    1.
> 128179
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,868
Absorbing 2 HDFE groups                           F(   1,    286) =       8.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0048
                                                  R-squared       =     0.8710
                                                  Adj R-squared   =     0.8413
                                                  Within R-sq.    =     0.0074
Number of clusters (district_fixed) =        287  Root MSE        =    16.0574

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |  -1.144775   .4030864    -2.84   0.005    -1.938167   -.3513826
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.51    0.0000 |       35.74   0.0000 |       32.51

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=31.90    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     147.39
Kleibergen-Paap Wald rk F statistic                                32.51

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       8.07     P-val=0.0048
Anderson-Rubin Wald test           Chi-sq(1)=      8.87     P-val=0.0029
Stock-Wright LM S statistic        Chi-sq(1)=      7.76     P-val=0.0053

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2868
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     6.75
                                                      Prob > F      =   0.0099
Total (centered) SS     =  605217.3263                Centered R2   =   0.8525
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  687171.8179                Root MSE      =    17.17

-------------------------------------------------------------------------------
------
                    |               Robust
           anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -9.029012   3.475528    -2.60   0.010    -15.86987   -2.
> 188153
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             31.898
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              147.393
                         (Kleibergen-Paap rk Wald F statistic):         32.508
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)

. 
. *--------------------- Export LaTeX regression tables -----------------------
> *
. cd "$rootDir/$resultDir/Tables"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Results/Tables

. 
. ** First stage regressions (same across all outcome variables)
. esttab pro_capacity_first pro_count_first pro_lncapacity_first pro_lncount_fi
> rst using Table2.tex, booktabs replace ///
>                 b(%9.3f) stats(N N_clust r2 F, labels("Observations" "Distric
> ts" "\(R^{2}\)" "\(F\)-statistic") fmt(0 0 2 2)) ///
>                 eqlabels(none) noconstant se nonotes unstack legend star(* 0.
> 10 ** 0.05 *** 0.01) ///
>                 varlabels(inter "Mean wind potential * time") varwidth(27) mo
> delwidth(13) ///
>                 mtitles("Capacity" "Count" "log(Capacity)" "log(Count)") ///
>                 width(\hsize)
(output written to Table2.tex)

. 
.                 
. ** Compare OLS and IV estimates
. * OLS
. esttab pro_capacity_ols pro_count_ols anti_capacity_ols anti_count_ols using 
> Table6.tex, booktabs replace ///
>                 refcat(cum_capacity_turbine "\emph{Panel A: OLS}", nolabel) /
> //
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 
> 0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum
> _count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", patte
> rn(1 0 1 0) prefix(\multicolumn{@span}{c}{) suffix(}) span erepeat(\cmidrule(
> lr){@span})) ///
>                 width(\hsize)
(output written to Table6.tex)

.                 
. * IV
. esttab pro_capacity_iv pro_count_iv anti_capacity_iv anti_count_iv using Tabl
> e6.tex, booktabs append ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(no
> ne) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts
> " "\(R^{2}\)") fmt(0 0 2)) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum
> _count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 refcat(cum_capacity_turbine "\emph{Panel B: IV}", nolabel) //
> /
>                 width(\hsize)
(output written to Table6.tex)

.                 
. 
. *****************************************************************************
> **
. /*                                                      FIGURE 4             
>                                                     */
. *****************************************************************************
> **
. local outcome pro_env_drilling pro_env_lands pro_env_other pro_env_toxics pro
> _env_water pro_env_wildlife pro_env_dirty_energy pro_env_air pro_env_climate_
> change pro_env_clean_energy pro_env_oceans // issue vote outcome variable 

. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbin
> e cum_lncount_turbine // endogenous variable

. local instrument inter // instrument

. local admin1_trend stateyear_fixed // geography * time trend

. local admin2 district_fixed // panel unit (cluster variable)

. 
. 
. foreach y in `outcome' {
  2.         // Create outcome variable label for storing estimates
.         tokenize "`y'", parse("_")
  3.         local y_name "`5'"
  4.         di "`y_name'"
  5.         
.         foreach x in `endogenous' {
  6.                         // Create endogenous variable label for storing es
> timates
.                         tokenize "`x'", parse("_")
  7.                         local x_name "`3'"
  8.                         di "`x_name'"
  9.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_tren
> d' `admin2') ffirst stages(first ols reduced) vce(cluster `admin2') old
 10.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
 11.                         estimates restore reghdfe_first1
 12.                         estimates store `y_name'_`x_name'_first
 13.                         estimates restore reghdfe_ols
 14.                         estimates store `y_name'_`x_name'_ols
 15.                         estimates restore reghdfe_reduced
 16.                         estimates store `y_name'_`x_name'_reduced
 17.                         di "`y_name'_`x_name'" 
 18.                 }
 19. }
drilling
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =      16.47
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7111
                                                  Adj R-squared   =     0.6395
                                                  Within R-sq.    =     0.1246
Number of clusters (district_fixed) =        287  Root MSE        =   125.5664

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.52748   9.246809     4.06   0.000     19.32704    55.72791
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       2.95
Statistics robust to heteroskedasticity           Prob > F        =     0.0872
                                                  R-squared       =     0.8123
                                                  Adj R-squared   =     0.7658
                                                  Within R-sq.    =     0.0041
Number of clusters (district_fixed) =        287  Root MSE        =    22.3750

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
    pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0106546   .0062085     1.72   0.087    -.0015656    .
> 0228748
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       5.29
Statistics robust to heteroskedasticity           Prob > F        =     0.0222
                                                  R-squared       =     0.8125
                                                  Adj R-squared   =     0.7660
                                                  Within R-sq.    =     0.0051
Number of clusters (district_fixed) =        287  Root MSE        =    22.3639

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_dr~g |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.262691   .5490417     2.30   0.022     .1820161    2.343366
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.47    0.0001 |       18.11   0.0000 |       16.47

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.43    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     334.65
Kleibergen-Paap Wald rk F statistic                                16.47

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.29     P-val=0.0222
Anderson-Rubin Wald test           Chi-sq(1)=      5.82     P-val=0.0159
Stock-Wright LM S statistic        Chi-sq(1)=      4.98     P-val=0.0257

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2578
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2578
                                                      F(  1,   286) =     4.43
                                                      Prob > F      =   0.0362
Total (centered) SS     =  1038044.366                Centered R2   =   0.8088
Total (uncentered) SS   =  1038044.366                Uncentered R2 =        .
Residual SS             =  1053483.673                Root MSE      =    22.59

-------------------------------------------------------------------------------
-------
                     |               Robust
    pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0336471   .0159904     2.10   0.036     .0021734    .
> 0651208
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.433
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              334.650
                         (Kleibergen-Paap rk Wald F statistic):         16.471
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
drilling_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =      16.12
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9768
                                                  Adj R-squared   =     0.9711
                                                  Within R-sq.    =     0.1321
Number of clusters (district_fixed) =        287  Root MSE        =    69.4180

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.46092   5.344996     4.02   0.000      10.9404    31.98144
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       3.12
Statistics robust to heteroskedasticity           Prob > F        =     0.0785
                                                  R-squared       =     0.8124
                                                  Adj R-squared   =     0.7659
                                                  Within R-sq.    =     0.0047
Number of clusters (district_fixed) =        287  Root MSE        =    22.3681

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
 pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0205858   .0116585     1.77   0.079    -.0023614    .043
> 5331
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       5.29
Statistics robust to heteroskedasticity           Prob > F        =     0.0222
                                                  R-squared       =     0.8125
                                                  Adj R-squared   =     0.7660
                                                  Within R-sq.    =     0.0051
Number of clusters (district_fixed) =        287  Root MSE        =    22.3639

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_dr~g |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.262691   .5490417     2.30   0.022     .1820161    2.343366
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.12    0.0001 |       17.73   0.0000 |       16.12

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.13    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     358.09
Kleibergen-Paap Wald rk F statistic                                16.12

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.29     P-val=0.0222
Anderson-Rubin Wald test           Chi-sq(1)=      5.82     P-val=0.0159
Stock-Wright LM S statistic        Chi-sq(1)=      4.98     P-val=0.0257

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2578
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2578
                                                      F(  1,   286) =     4.46
                                                      Prob > F      =   0.0356
Total (centered) SS     =  1038044.366                Centered R2   =   0.8094
Total (uncentered) SS   =  1038044.366                Uncentered R2 =        .
Residual SS             =  1049961.597                Root MSE      =    22.55

-------------------------------------------------------------------------------
----
                  |               Robust
 pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0588368   .0278639     2.11   0.036     .0039923    .113
> 6812
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.132
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              358.089
                         (Kleibergen-Paap rk Wald F statistic):         16.121
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
drilling_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =      33.95
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8513
                                                  Adj R-squared   =     0.8144
                                                  Within R-sq.    =     0.0542
Number of clusters (district_fixed) =        287  Root MSE        =     0.7558

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1433126   .0245973     5.83   0.000     .0948978    .1917273
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       0.41
Statistics robust to heteroskedasticity           Prob > F        =     0.5206
                                                  R-squared       =     0.8116
                                                  Adj R-squared   =     0.7649
                                                  Within R-sq.    =     0.0004
Number of clusters (district_fixed) =        287  Root MSE        =    22.4163

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
      pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.5686895   .8841362    -0.64   0.521    -2.308929   
>   1.17155
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       5.29
Statistics robust to heteroskedasticity           Prob > F        =     0.0222
                                                  R-squared       =     0.8125
                                                  Adj R-squared   =     0.7660
                                                  Within R-sq.    =     0.0051
Number of clusters (district_fixed) =        287  Root MSE        =    22.3639

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_dr~g |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.262691   .5490417     2.30   0.022     .1820161    2.343366
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.95    0.0000 |       37.32   0.0000 |       33.95

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=33.33    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     134.72
Kleibergen-Paap Wald rk F statistic                                33.95

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.29     P-val=0.0222
Anderson-Rubin Wald test           Chi-sq(1)=      5.82     P-val=0.0159
Stock-Wright LM S statistic        Chi-sq(1)=      4.98     P-val=0.0257

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2578
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2578
                                                      F(  1,   286) =     4.24
                                                      Prob > F      =   0.0403
Total (centered) SS     =  1038044.366                Centered R2   =   0.7917
Total (uncentered) SS   =  1038044.366                Uncentered R2 =        .
Residual SS             =  1147346.276                Root MSE      =    23.57

-------------------------------------------------------------------------------
---------
                       |               Robust
      pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |    8.81075   4.277082     2.06   0.040     .3921976   
>   17.2293
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             33.328
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              134.724
                         (Kleibergen-Paap rk Wald F statistic):         33.946
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
drilling_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =      33.04
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8937
                                                  Adj R-squared   =     0.8673
                                                  Within R-sq.    =     0.0559
Number of clusters (district_fixed) =        287  Root MSE        =     0.6559

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1264487   .0219981     5.75   0.000       .08315    .1697473
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       0.20
Statistics robust to heteroskedasticity           Prob > F        =     0.6580
                                                  R-squared       =     0.8116
                                                  Adj R-squared   =     0.7649
                                                  Within R-sq.    =     0.0002
Number of clusters (district_fixed) =        287  Root MSE        =    22.4186

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
   pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.4441402   1.002331    -0.44   0.658    -2.417022    1.
> 528741
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,578
Absorbing 2 HDFE groups                           F(   1,    286) =       5.29
Statistics robust to heteroskedasticity           Prob > F        =     0.0222
                                                  R-squared       =     0.8125
                                                  Adj R-squared   =     0.7660
                                                  Within R-sq.    =     0.0051
Number of clusters (district_fixed) =        287  Root MSE        =    22.3639

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_dr~g |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.262691   .5490417     2.30   0.022     .1820161    2.343366
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      33.04    0.0000 |       36.33   0.0000 |       33.04

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.66    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     139.24
Kleibergen-Paap Wald rk F statistic                                33.04

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       5.29     P-val=0.0222
Anderson-Rubin Wald test           Chi-sq(1)=      5.82     P-val=0.0159
Stock-Wright LM S statistic        Chi-sq(1)=      4.98     P-val=0.0257

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2578
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2578
                                                      F(  1,   286) =     4.25
                                                      Prob > F      =   0.0402
Total (centered) SS     =  1038044.366                Centered R2   =   0.7930
Total (uncentered) SS   =  1038044.366                Uncentered R2 =        .
Residual SS             =  1140224.968                Root MSE      =     23.5

-------------------------------------------------------------------------------
------
                    |               Robust
   pro_env_drilling |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |     9.9858   4.843836     2.06   0.040     .4517111    19
> .51989
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.663
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              139.243
                         (Kleibergen-Paap rk Wald F statistic):         33.041
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
drilling_lncount
lands
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      16.62
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7327
                                                  Adj R-squared   =     0.6709
                                                  Within R-sq.    =     0.1226
Number of clusters (district_fixed) =        287  Root MSE        =   120.4841

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.25031   9.135875     4.08   0.000     19.26823    55.23239
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      10.10
Statistics robust to heteroskedasticity           Prob > F        =     0.0016
                                                  R-squared       =     0.8033
                                                  Adj R-squared   =     0.7578
                                                  Within R-sq.    =     0.0116
Number of clusters (district_fixed) =        287  Root MSE        =    20.4712

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
       pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0172404   .0054242     3.18   0.002      .006564    .
> 0279168
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      10.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0012
                                                  R-squared       =     0.8027
                                                  Adj R-squared   =     0.7571
                                                  Within R-sq.    =     0.0087
Number of clusters (district_fixed) =        287  Root MSE        =    20.5016

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_la~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.584592   .4850978     3.27   0.001     .6297776    2.539407
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.62    0.0001 |       18.28   0.0000 |       16.62

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.53    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     364.69
Kleibergen-Paap Wald rk F statistic                                16.62

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=      10.67     P-val=0.0012
Anderson-Rubin Wald test           Chi-sq(1)=     11.73     P-val=0.0006
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     8.19
                                                      Prob > F      =   0.0045
Total (centered) SS     =  984920.3361                Centered R2   =   0.7983
Total (uncentered) SS   =  984920.3361                Uncentered R2 =        .
Residual SS             =  998095.0086                Root MSE      =    20.73

-------------------------------------------------------------------------------
-------
                     |               Robust
       pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |    .042539   .0148681     2.86   0.005     .0132743    .
> 0718037
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.530
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              364.691
                         (Kleibergen-Paap rk Wald F statistic):         16.625
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lands_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      16.25
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9784
                                                  Adj R-squared   =     0.9734
                                                  Within R-sq.    =     0.1303
Number of clusters (district_fixed) =        287  Root MSE        =    66.6788

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.34932   5.296882     4.03   0.000     10.92351    31.77514
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      11.72
Statistics robust to heteroskedasticity           Prob > F        =     0.0007
                                                  R-squared       =     0.8037
                                                  Adj R-squared   =     0.7583
                                                  Within R-sq.    =     0.0136
Number of clusters (district_fixed) =        287  Root MSE        =    20.4508

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
    pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0335367   .0097979     3.42   0.001     .0142515    .052
> 8219
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      10.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0012
                                                  R-squared       =     0.8027
                                                  Adj R-squared   =     0.7571
                                                  Within R-sq.    =     0.0087
Number of clusters (district_fixed) =        287  Root MSE        =    20.5016

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_la~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.584592   .4850978     3.27   0.001     .6297776    2.539407
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.25    0.0001 |       17.86   0.0000 |       16.25

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.21    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     391.13
Kleibergen-Paap Wald rk F statistic                                16.25

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=      10.67     P-val=0.0012
Anderson-Rubin Wald test           Chi-sq(1)=     11.73     P-val=0.0006
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     8.38
                                                      Prob > F      =   0.0041
Total (centered) SS     =  984920.3361                Centered R2   =   0.7997
Total (uncentered) SS   =  984920.3361                Uncentered R2 =        .
Residual SS             =  991221.5921                Root MSE      =    20.66

-------------------------------------------------------------------------------
----
                  |               Robust
    pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0742221   .0256323     2.90   0.004     .0237703    .124
> 6739
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.214
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              391.127
                         (Kleibergen-Paap rk Wald F statistic):         16.245
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lands_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      33.18
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8577
                                                  Adj R-squared   =     0.8248
                                                  Within R-sq.    =     0.0520
Number of clusters (district_fixed) =        287  Root MSE        =     0.7444

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .144233   .0250395     5.76   0.000     .0949479     .193518
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       3.01
Statistics robust to heteroskedasticity           Prob > F        =     0.0838
                                                  R-squared       =     0.8014
                                                  Adj R-squared   =     0.7554
                                                  Within R-sq.    =     0.0017
Number of clusters (district_fixed) =        287  Root MSE        =    20.5730

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
         pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   1.122731   .6469806     1.74   0.084     -.150717   
>  2.396178
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      10.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0012
                                                  R-squared       =     0.8027
                                                  Adj R-squared   =     0.7571
                                                  Within R-sq.    =     0.0087
Number of clusters (district_fixed) =        287  Root MSE        =    20.5016

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_la~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.584592   .4850978     3.27   0.001     .6297776    2.539407
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.18    0.0000 |       36.49   0.0000 |       33.18

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.37    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     143.23
Kleibergen-Paap Wald rk F statistic                                33.18

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=      10.67     P-val=0.0012
Anderson-Rubin Wald test           Chi-sq(1)=     11.73     P-val=0.0006
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     8.31
                                                      Prob > F      =   0.0043
Total (centered) SS     =  984920.3361                Centered R2   =   0.7747
Total (uncentered) SS   =  984920.3361                Uncentered R2 =        .
Residual SS             =  1115321.949                Root MSE      =    21.91

-------------------------------------------------------------------------------
---------
                       |               Robust
         pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   10.98634   3.812096     2.88   0.004     3.483018   
>  18.48966
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.367
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              143.229
                         (Kleibergen-Paap rk Wald F statistic):         33.180
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lands_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      32.56
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8975
                                                  Adj R-squared   =     0.8738
                                                  Within R-sq.    =     0.0536
Number of clusters (district_fixed) =        287  Root MSE        =     0.6457

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1270913   .0222738     5.71   0.000       .08325    .1709327
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       2.61
Statistics robust to heteroskedasticity           Prob > F        =     0.1076
                                                  R-squared       =     0.8013
                                                  Adj R-squared   =     0.7554
                                                  Within R-sq.    =     0.0015
Number of clusters (district_fixed) =        287  Root MSE        =    20.5753

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
      pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   1.208428   .7485895     1.61   0.108    -.2650157    2.
> 681872
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      10.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0012
                                                  R-squared       =     0.8027
                                                  Adj R-squared   =     0.7571
                                                  Within R-sq.    =     0.0087
Number of clusters (district_fixed) =        287  Root MSE        =    20.5016

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_la~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.584592   .4850978     3.27   0.001     .6297776    2.539407
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.56    0.0000 |       35.80   0.0000 |       32.56

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=31.96    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     147.81
Kleibergen-Paap Wald rk F statistic                                32.56

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=      10.67     P-val=0.0012
Anderson-Rubin Wald test           Chi-sq(1)=     11.73     P-val=0.0006
Stock-Wright LM S statistic        Chi-sq(1)=      9.15     P-val=0.0025

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     8.17
                                                      Prob > F      =   0.0046
Total (centered) SS     =  984920.3361                Centered R2   =   0.7751
Total (uncentered) SS   =  984920.3361                Uncentered R2 =        .
Residual SS             =  1113166.646                Root MSE      =    21.89

-------------------------------------------------------------------------------
------
                    |               Robust
      pro_env_lands |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   12.46814   4.361234     2.86   0.005     3.883949    21
> .05232
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             31.956
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              147.812
                         (Kleibergen-Paap rk Wald F statistic):         32.557
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lands_lncount
other
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      16.45
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7097
                                                  Adj R-squared   =     0.6376
                                                  Within R-sq.    =     0.1259
Number of clusters (district_fixed) =        287  Root MSE        =   123.1718

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   38.10782   9.396408     4.06   0.000     19.61294    56.60271
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       7.40
Statistics robust to heteroskedasticity           Prob > F        =     0.0069
                                                  R-squared       =     0.7812
                                                  Adj R-squared   =     0.7269
                                                  Within R-sq.    =     0.0037
Number of clusters (district_fixed) =        287  Root MSE        =    22.5760

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
       pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0104946   .0038581     2.72   0.007     .0029007    .
> 0180884
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_ot~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.45    0.0001 |       18.09   0.0000 |       16.45

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.40    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     338.41
Kleibergen-Paap Wald rk F statistic                                16.45

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.04
                                                      Prob > F      =   0.0825
Total (centered) SS     =   1055403.13                Centered R2   =   0.7804
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =   1055440.99                Root MSE      =    22.62

-------------------------------------------------------------------------------
-------
                     |               Robust
       pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0210394   .0120755     1.74   0.083    -.0027287    .
> 0448075
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.405
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              338.406
                         (Kleibergen-Paap rk Wald F statistic):         16.448
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
other_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      16.05
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9777
                                                  Adj R-squared   =     0.9721
                                                  Within R-sq.    =     0.1335
Number of clusters (district_fixed) =        287  Root MSE        =    68.0552

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.77811   5.435744     4.01   0.000     11.07898    32.47725
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       6.41
Statistics robust to heteroskedasticity           Prob > F        =     0.0119
                                                  R-squared       =     0.7813
                                                  Adj R-squared   =     0.7270
                                                  Within R-sq.    =     0.0039
Number of clusters (district_fixed) =        287  Root MSE        =    22.5743

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
    pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0192891   .0076212     2.53   0.012     .0042883      .0
> 3429
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_ot~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.05    0.0001 |       17.65   0.0000 |       16.05

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.07    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     362.04
Kleibergen-Paap Wald rk F statistic                                16.05

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.03
                                                      Prob > F      =   0.0829
Total (centered) SS     =   1055403.13                Centered R2   =   0.7806
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =  1054687.411                Root MSE      =    22.61

-------------------------------------------------------------------------------
----
                  |               Robust
    pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0368152   .0211545     1.74   0.083    -.0048231    .078
> 4536
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.073
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              362.036
                         (Kleibergen-Paap rk Wald F statistic):         16.052
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
other_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      33.53
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8527
                                                  Adj R-squared   =     0.8161
                                                  Within R-sq.    =     0.0544
Number of clusters (district_fixed) =        287  Root MSE        =     0.7499

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1466961   .0253355     5.79   0.000     .0968285    .1965637
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       0.51
Statistics robust to heteroskedasticity           Prob > F        =     0.4767
                                                  R-squared       =     0.7805
                                                  Adj R-squared   =     0.7260
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    22.6146

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
         pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .5258639   .7379908     0.71   0.477    -.9267184   
>  1.978446
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_ot~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.53    0.0000 |       36.86   0.0000 |       33.53

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=33.10    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     135.29
Kleibergen-Paap Wald rk F statistic                                33.53

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.18
                                                      Prob > F      =   0.0756
Total (centered) SS     =   1055403.13                Centered R2   =   0.7743
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =  1085000.673                Root MSE      =    22.93

-------------------------------------------------------------------------------
---------
                       |               Robust
         pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   5.465488   3.064737     1.78   0.076    -.5668132   
>  11.49779
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             33.104
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              135.288
                         (Kleibergen-Paap rk Wald F statistic):         33.526
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
other_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      32.70
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8950
                                                  Adj R-squared   =     0.8690
                                                  Within R-sq.    =     0.0552
Number of clusters (district_fixed) =        287  Root MSE        =     0.6501

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .128066   .0223942     5.72   0.000     .0839877    .1721443
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       0.87
Statistics robust to heteroskedasticity           Prob > F        =     0.3510
                                                  R-squared       =     0.7805
                                                  Adj R-squared   =     0.7261
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    22.6125

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
      pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .7629121    .816674     0.93   0.351    -.8445418    2.
> 370366
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_ot~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.70    0.0000 |       35.96   0.0000 |       32.70

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.44    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     137.20
Kleibergen-Paap Wald rk F statistic                                32.70

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.19
                                                      Prob > F      =   0.0750
Total (centered) SS     =   1055403.13                Centered R2   =   0.7747
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =  1082754.886                Root MSE      =    22.91

-------------------------------------------------------------------------------
------
                    |               Robust
      pro_env_other |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   6.260568   3.502916     1.79   0.075    -.6341986    13
> .15533
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.439
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              137.205
                         (Kleibergen-Paap rk Wald F statistic):         32.704
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
other_lncount
toxics
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      16.45
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7097
                                                  Adj R-squared   =     0.6376
                                                  Within R-sq.    =     0.1259
Number of clusters (district_fixed) =        287  Root MSE        =   123.1718

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   38.10782   9.396408     4.06   0.000     19.61294    56.60271
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       7.40
Statistics robust to heteroskedasticity           Prob > F        =     0.0069
                                                  R-squared       =     0.7812
                                                  Adj R-squared   =     0.7269
                                                  Within R-sq.    =     0.0037
Number of clusters (district_fixed) =        287  Root MSE        =    22.5760

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
      pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0104946   .0038581     2.72   0.007     .0029007    .
> 0180884
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_to~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.45    0.0001 |       18.09   0.0000 |       16.45

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.40    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     338.41
Kleibergen-Paap Wald rk F statistic                                16.45

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.04
                                                      Prob > F      =   0.0825
Total (centered) SS     =   1055403.13                Centered R2   =   0.7804
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =   1055440.99                Root MSE      =    22.62

-------------------------------------------------------------------------------
-------
                     |               Robust
      pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0210394   .0120755     1.74   0.083    -.0027287    .
> 0448075
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.405
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              338.406
                         (Kleibergen-Paap rk Wald F statistic):         16.448
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
toxics_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      16.05
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9777
                                                  Adj R-squared   =     0.9721
                                                  Within R-sq.    =     0.1335
Number of clusters (district_fixed) =        287  Root MSE        =    68.0552

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.77811   5.435744     4.01   0.000     11.07898    32.47725
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       6.41
Statistics robust to heteroskedasticity           Prob > F        =     0.0119
                                                  R-squared       =     0.7813
                                                  Adj R-squared   =     0.7270
                                                  Within R-sq.    =     0.0039
Number of clusters (district_fixed) =        287  Root MSE        =    22.5743

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
   pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0192891   .0076212     2.53   0.012     .0042883      .0
> 3429
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_to~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.05    0.0001 |       17.65   0.0000 |       16.05

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.07    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     362.04
Kleibergen-Paap Wald rk F statistic                                16.05

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.03
                                                      Prob > F      =   0.0829
Total (centered) SS     =   1055403.13                Centered R2   =   0.7806
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =  1054687.411                Root MSE      =    22.61

-------------------------------------------------------------------------------
----
                  |               Robust
   pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0368152   .0211545     1.74   0.083    -.0048231    .078
> 4536
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.073
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              362.036
                         (Kleibergen-Paap rk Wald F statistic):         16.052
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
toxics_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      33.53
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8527
                                                  Adj R-squared   =     0.8161
                                                  Within R-sq.    =     0.0544
Number of clusters (district_fixed) =        287  Root MSE        =     0.7499

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1466961   .0253355     5.79   0.000     .0968285    .1965637
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       0.51
Statistics robust to heteroskedasticity           Prob > F        =     0.4767
                                                  R-squared       =     0.7805
                                                  Adj R-squared   =     0.7260
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    22.6146

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
        pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .5258639   .7379908     0.71   0.477    -.9267184   
>  1.978446
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_to~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.53    0.0000 |       36.86   0.0000 |       33.53

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=33.10    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     135.29
Kleibergen-Paap Wald rk F statistic                                33.53

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.18
                                                      Prob > F      =   0.0756
Total (centered) SS     =   1055403.13                Centered R2   =   0.7743
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =  1085000.673                Root MSE      =    22.93

-------------------------------------------------------------------------------
---------
                       |               Robust
        pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   5.465488   3.064737     1.78   0.076    -.5668132   
>  11.49779
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             33.104
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              135.288
                         (Kleibergen-Paap rk Wald F statistic):         33.526
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
toxics_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =      32.70
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8950
                                                  Adj R-squared   =     0.8690
                                                  Within R-sq.    =     0.0552
Number of clusters (district_fixed) =        287  Root MSE        =     0.6501

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .128066   .0223942     5.72   0.000     .0839877    .1721443
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       0.87
Statistics robust to heteroskedasticity           Prob > F        =     0.3510
                                                  R-squared       =     0.7805
                                                  Adj R-squared   =     0.7261
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    22.6125

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
     pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .7629121    .816674     0.93   0.351    -.8445418    2.
> 370366
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,576
Absorbing 2 HDFE groups                           F(   1,    286) =       2.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0859
                                                  R-squared       =     0.7808
                                                  Adj R-squared   =     0.7264
                                                  Within R-sq.    =     0.0019
Number of clusters (district_fixed) =        287  Root MSE        =    22.5969

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_to~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8017658   .4652931     1.72   0.086    -.1140675    1.717599
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.70    0.0000 |       35.96   0.0000 |       32.70

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.44    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     137.20
Kleibergen-Paap Wald rk F statistic                                32.70

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.97     P-val=0.0859
Anderson-Rubin Wald test           Chi-sq(1)=      3.26     P-val=0.0708
Stock-Wright LM S statistic        Chi-sq(1)=      3.28     P-val=0.0701

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2576
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2576
                                                      F(  1,   286) =     3.19
                                                      Prob > F      =   0.0750
Total (centered) SS     =   1055403.13                Centered R2   =   0.7747
Total (uncentered) SS   =   1055403.13                Uncentered R2 =        .
Residual SS             =  1082754.886                Root MSE      =    22.91

-------------------------------------------------------------------------------
------
                    |               Robust
     pro_env_toxics |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   6.260568   3.502916     1.79   0.075    -.6341986    13
> .15533
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.439
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              137.205
                         (Kleibergen-Paap rk Wald F statistic):         32.704
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
toxics_lncount
water
capacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      16.80
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7603
                                                  Adj R-squared   =     0.7009
                                                  Within R-sq.    =     0.1205
Number of clusters (district_fixed) =        287  Root MSE        =   120.3914

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   38.02664   9.277143     4.10   0.000      19.7665    56.28678
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       1.96
Statistics robust to heteroskedasticity           Prob > F        =     0.1623
                                                  R-squared       =     0.7210
                                                  Adj R-squared   =     0.6519
                                                  Within R-sq.    =     0.0013
Number of clusters (district_fixed) =        287  Root MSE        =    25.1833

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
       pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |    .006954   .0049637     1.40   0.162     -.002816     
> .016724
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       2.23
Statistics robust to heteroskedasticity           Prob > F        =     0.1362
                                                  R-squared       =     0.7209
                                                  Adj R-squared   =     0.6517
                                                  Within R-sq.    =     0.0008
Number of clusters (district_fixed) =        287  Root MSE        =    25.1889

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wa~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .6124615   .4098681     1.49   0.136    -.1942791    1.419202
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.80    0.0001 |       18.47   0.0000 |       16.80

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.67    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     322.23
Kleibergen-Paap Wald rk F statistic                                16.80

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.23     P-val=0.1362
Anderson-Rubin Wald test           Chi-sq(1)=      2.45     P-val=0.1172
Stock-Wright LM S statistic        Chi-sq(1)=      2.24     P-val=0.1348

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     2.37
                                                      Prob > F      =   0.1251
Total (centered) SS     =  1311898.719                Centered R2   =   0.7204
Total (uncentered) SS   =  1311898.719                Uncentered R2 =        .
Residual SS             =  1313104.062                Root MSE      =    25.21

-------------------------------------------------------------------------------
-------
                     |               Robust
       pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0161061   .0104718     1.54   0.125    -.0045055    .
> 0367178
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.666
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              322.232
                         (Kleibergen-Paap rk Wald F statistic):         16.801
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
water_capacity
count
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      16.49
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9793
                                                  Adj R-squared   =     0.9742
                                                  Within R-sq.    =     0.1283
Number of clusters (district_fixed) =        287  Root MSE        =    66.1809

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.67091   5.336255     4.06   0.000      11.1676    32.17423
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       2.45
Statistics robust to heteroskedasticity           Prob > F        =     0.1186
                                                  R-squared       =     0.7211
                                                  Adj R-squared   =     0.6520
                                                  Within R-sq.    =     0.0017
Number of clusters (district_fixed) =        287  Root MSE        =    25.1781

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
    pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0145241    .009279     1.57   0.119    -.0037397     .03
> 2788
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       2.23
Statistics robust to heteroskedasticity           Prob > F        =     0.1362
                                                  R-squared       =     0.7209
                                                  Adj R-squared   =     0.6517
                                                  Within R-sq.    =     0.0008
Number of clusters (district_fixed) =        287  Root MSE        =    25.1889

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wa~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .6124615   .4098681     1.49   0.136    -.1942791    1.419202
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.49    0.0001 |       18.13   0.0000 |       16.49

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.40    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     346.32
Kleibergen-Paap Wald rk F statistic                                16.49

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.23     P-val=0.1362
Anderson-Rubin Wald test           Chi-sq(1)=      2.45     P-val=0.1172
Stock-Wright LM S statistic        Chi-sq(1)=      2.24     P-val=0.1348

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     2.42
                                                      Prob > F      =   0.1209
Total (centered) SS     =  1311898.719                Centered R2   =   0.7207
Total (uncentered) SS   =  1311898.719                Uncentered R2 =        .
Residual SS             =  1311668.023                Root MSE      =     25.2

-------------------------------------------------------------------------------
----
                  |               Robust
    pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0282619   .0181695     1.56   0.121     -.007501    .064
> 0248
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.395
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              346.316
                         (Kleibergen-Paap rk Wald F statistic):         16.492
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
water_count
lncapacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      32.76
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8688
                                                  Adj R-squared   =     0.8363
                                                  Within R-sq.    =     0.0489
Number of clusters (district_fixed) =        287  Root MSE        =     0.7374

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    .142673   .0249252     5.72   0.000      .093613    .1917331
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       0.31
Statistics robust to heteroskedasticity           Prob > F        =     0.5791
                                                  R-squared       =     0.7207
                                                  Adj R-squared   =     0.6515
                                                  Within R-sq.    =     0.0001
Number of clusters (district_fixed) =        287  Root MSE        =    25.1972

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
         pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.4046335   .7285376    -0.56   0.579    -1.838609   
>  1.029342
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       2.23
Statistics robust to heteroskedasticity           Prob > F        =     0.1362
                                                  R-squared       =     0.7209
                                                  Adj R-squared   =     0.6517
                                                  Within R-sq.    =     0.0008
Number of clusters (district_fixed) =        287  Root MSE        =    25.1889

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wa~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .6124615   .4098681     1.49   0.136    -.1942791    1.419202
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      32.76    0.0000 |       36.02   0.0000 |       32.76

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.44    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     120.91
Kleibergen-Paap Wald rk F statistic                                32.76

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.23     P-val=0.1362
Anderson-Rubin Wald test           Chi-sq(1)=      2.45     P-val=0.1172
Stock-Wright LM S statistic        Chi-sq(1)=      2.24     P-val=0.1348

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     2.00
                                                      Prob > F      =   0.1585
Total (centered) SS     =  1311898.719                Centered R2   =   0.7151
Total (uncentered) SS   =  1311898.719                Uncentered R2 =        .
Residual SS             =  1337768.448                Root MSE      =    25.45

-------------------------------------------------------------------------------
---------
                       |               Robust
         pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   4.292763   3.036515     1.41   0.159    -1.683988   
>  10.26952
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.435
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              120.906
                         (Kleibergen-Paap rk Wald F statistic):         32.765
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
water_lncapacity
lncount
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      32.30
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9041
                                                  Adj R-squared   =     0.8803
                                                  Within R-sq.    =     0.0504
Number of clusters (district_fixed) =        287  Root MSE        =     0.6395

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1257536   .0221254     5.68   0.000     .0822044    .1693028
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       0.15
Statistics robust to heteroskedasticity           Prob > F        =     0.7031
                                                  R-squared       =     0.7207
                                                  Adj R-squared   =     0.6514
                                                  Within R-sq.    =     0.0001
Number of clusters (district_fixed) =        287  Root MSE        =    25.1982

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
      pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.3185527   .8349465    -0.38   0.703    -1.961972    1.
> 324867
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       2.23
Statistics robust to heteroskedasticity           Prob > F        =     0.1362
                                                  R-squared       =     0.7209
                                                  Adj R-squared   =     0.6517
                                                  Within R-sq.    =     0.0008
Number of clusters (district_fixed) =        287  Root MSE        =    25.1889

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wa~r |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .6124615   .4098681     1.49   0.136    -.1942791    1.419202
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.30    0.0000 |       35.52   0.0000 |       32.30

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.08    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     124.89
Kleibergen-Paap Wald rk F statistic                                32.30

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       2.23     P-val=0.1362
Anderson-Rubin Wald test           Chi-sq(1)=      2.45     P-val=0.1172
Stock-Wright LM S statistic        Chi-sq(1)=      2.24     P-val=0.1348

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     2.00
                                                      Prob > F      =   0.1583
Total (centered) SS     =  1311898.719                Centered R2   =   0.7156
Total (uncentered) SS   =  1311898.719                Uncentered R2 =        .
Residual SS             =  1335765.769                Root MSE      =    25.43

-------------------------------------------------------------------------------
------
                    |               Robust
      pro_env_water |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |    4.87033   3.443465     1.41   0.158     -1.90742    11
> .64808
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.081
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              124.889
                         (Kleibergen-Paap rk Wald F statistic):         32.304
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
water_lncount
wildlife
capacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      16.61
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7326
                                                  Adj R-squared   =     0.6709
                                                  Within R-sq.    =     0.1224
Number of clusters (district_fixed) =        287  Root MSE        =   120.4834

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.21679   9.132269     4.08   0.000     19.24181    55.19177
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      11.18
Statistics robust to heteroskedasticity           Prob > F        =     0.0009
                                                  R-squared       =     0.7643
                                                  Adj R-squared   =     0.7100
                                                  Within R-sq.    =     0.0080
Number of clusters (district_fixed) =        287  Root MSE        =    23.1225

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
    pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0161777   .0048394     3.34   0.001     .0066524     
> .025703
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          249             249              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       9.47
Statistics robust to heteroskedasticity           Prob > F        =     0.0023
                                                  R-squared       =     0.7640
                                                  Adj R-squared   =     0.7096
                                                  Within R-sq.    =     0.0065
Number of clusters (district_fixed) =        287  Root MSE        =    23.1399

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wi~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.553309    .504649     3.08   0.002      .560012    2.546606
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.61    0.0001 |       18.26   0.0000 |       16.61

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.51    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     364.11
Kleibergen-Paap Wald rk F statistic                                16.61

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       9.47     P-val=0.0023
Anderson-Rubin Wald test           Chi-sq(1)=     10.41     P-val=0.0013
Stock-Wright LM S statistic        Chi-sq(1)=      8.21     P-val=0.0042

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     7.18
                                                      Prob > F      =   0.0078
Total (centered) SS     =  1252591.562                Centered R2   =   0.7596
Total (uncentered) SS   =  1252591.562                Uncentered R2 =        .
Residual SS             =   1267642.79                Root MSE      =    23.36

-------------------------------------------------------------------------------
-------
                     |               Robust
    pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0417368   .0155792     2.68   0.008     .0110724    .
> 0724012
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.514
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              364.110
                         (Kleibergen-Paap rk Wald F statistic):         16.608
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          249             249              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
wildlife_capacity
count
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      16.23
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9784
                                                  Adj R-squared   =     0.9734
                                                  Within R-sq.    =     0.1301
Number of clusters (district_fixed) =        287  Root MSE        =    66.6819

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.33049   5.294798     4.03   0.000     10.90877     31.7522
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      12.27
Statistics robust to heteroskedasticity           Prob > F        =     0.0005
                                                  R-squared       =     0.7646
                                                  Adj R-squared   =     0.7103
                                                  Within R-sq.    =     0.0091
Number of clusters (district_fixed) =        287  Root MSE        =    23.1098

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
 pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0310114   .0088519     3.50   0.001     .0135884    .048
> 4345
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          249             249              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       9.47
Statistics robust to heteroskedasticity           Prob > F        =     0.0023
                                                  R-squared       =     0.7640
                                                  Adj R-squared   =     0.7096
                                                  Within R-sq.    =     0.0065
Number of clusters (district_fixed) =        287  Root MSE        =    23.1399

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wi~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.553309    .504649     3.08   0.002      .560012    2.546606
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.23    0.0001 |       17.84   0.0000 |       16.23

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.20    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     390.48
Kleibergen-Paap Wald rk F statistic                                16.23

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       9.47     P-val=0.0023
Anderson-Rubin Wald test           Chi-sq(1)=     10.41     P-val=0.0013
Stock-Wright LM S statistic        Chi-sq(1)=      8.21     P-val=0.0042

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     7.27
                                                      Prob > F      =   0.0074
Total (centered) SS     =  1252591.562                Centered R2   =   0.7607
Total (uncentered) SS   =  1252591.562                Uncentered R2 =        .
Residual SS             =  1261932.475                Root MSE      =     23.3

-------------------------------------------------------------------------------
----
                  |               Robust
 pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0728211   .0270002     2.70   0.007     .0196767    .125
> 9654
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.200
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              390.477
                         (Kleibergen-Paap rk Wald F statistic):         16.229
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          249             249              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
wildlife_count
lncapacity
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      33.15
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8574
                                                  Adj R-squared   =     0.8245
                                                  Within R-sq.    =     0.0519
Number of clusters (district_fixed) =        287  Root MSE        =     0.7437

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1439337   .0249988     5.76   0.000     .0947286    .1931387
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       2.78
Statistics robust to heteroskedasticity           Prob > F        =     0.0966
                                                  R-squared       =     0.7628
                                                  Adj R-squared   =     0.7081
                                                  Within R-sq.    =     0.0017
Number of clusters (district_fixed) =        287  Root MSE        =    23.1962

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
      pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   1.255003   .7528524     1.67   0.097    -.2268317   
>  2.736837
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          249             249              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       9.47
Statistics robust to heteroskedasticity           Prob > F        =     0.0023
                                                  R-squared       =     0.7640
                                                  Adj R-squared   =     0.7096
                                                  Within R-sq.    =     0.0065
Number of clusters (district_fixed) =        287  Root MSE        =    23.1399

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wi~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.553309    .504649     3.08   0.002      .560012    2.546606
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.15    0.0000 |       36.44   0.0000 |       33.15

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.31    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     142.92
Kleibergen-Paap Wald rk F statistic                                33.15

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       9.47     P-val=0.0023
Anderson-Rubin Wald test           Chi-sq(1)=     10.41     P-val=0.0013
Stock-Wright LM S statistic        Chi-sq(1)=      8.21     P-val=0.0042

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     7.65
                                                      Prob > F      =   0.0060
Total (centered) SS     =  1252591.562                Centered R2   =   0.7395
Total (uncentered) SS   =  1252591.562                Uncentered R2 =        .
Residual SS             =  1373776.269                Root MSE      =    24.31

-------------------------------------------------------------------------------
---------
                       |               Robust
      pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   10.79184   3.901094     2.77   0.006     3.113342   
>  18.47034
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.312
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              142.919
                         (Kleibergen-Paap rk Wald F statistic):         33.150
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          249             249              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
wildlife_lncapacity
lncount
(running historical version of reghdfe)
(dropped 1 singleton observations)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =      32.51
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8974
                                                  Adj R-squared   =     0.8737
                                                  Within R-sq.    =     0.0534
Number of clusters (district_fixed) =        287  Root MSE        =     0.6452

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1267683   .0222329     5.70   0.000     .0830074    .1705292
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       2.96
Statistics robust to heteroskedasticity           Prob > F        =     0.0866
                                                  R-squared       =     0.7629
                                                  Adj R-squared   =     0.7082
                                                  Within R-sq.    =     0.0018
Number of clusters (district_fixed) =        287  Root MSE        =    23.1951

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
   pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   1.482499   .8622879     1.72   0.087    -.2147366    3.
> 179734
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          249             249              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,861
Absorbing 2 HDFE groups                           F(   1,    286) =       9.47
Statistics robust to heteroskedasticity           Prob > F        =     0.0023
                                                  R-squared       =     0.7640
                                                  Adj R-squared   =     0.7096
                                                  Within R-sq.    =     0.0065
Number of clusters (district_fixed) =        287  Root MSE        =    23.1399

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_wi~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.553309    .504649     3.08   0.002      .560012    2.546606
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.51    0.0000 |       35.74   0.0000 |       32.51

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=31.88    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     147.30
Kleibergen-Paap Wald rk F statistic                                32.51

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       9.47     P-val=0.0023
Anderson-Rubin Wald test           Chi-sq(1)=     10.41     P-val=0.0013
Stock-Wright LM S statistic        Chi-sq(1)=      8.21     P-val=0.0042

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2861
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2861
                                                      F(  1,   286) =     7.63
                                                      Prob > F      =   0.0061
Total (centered) SS     =  1252591.562                Centered R2   =   0.7404
Total (uncentered) SS   =  1252591.562                Uncentered R2 =        .
Residual SS             =  1368917.949                Root MSE      =    24.27

-------------------------------------------------------------------------------
------
                    |               Robust
   pro_env_wildlife |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   12.25313    4.43722     2.76   0.006     3.519383    20
> .98688
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             31.880
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              147.299
                         (Kleibergen-Paap rk Wald F statistic):         32.511
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          249             249              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
wildlife_lncount
dirty
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      16.58
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7112
                                                  Adj R-squared   =     0.6396
                                                  Within R-sq.    =     0.1251
Number of clusters (district_fixed) =        287  Root MSE        =   125.5660

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.60906    9.23502     4.07   0.000     19.43184    55.78629
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       6.63
Statistics robust to heteroskedasticity           Prob > F        =     0.0106
                                                  R-squared       =     0.8412
                                                  Adj R-squared   =     0.8018
                                                  Within R-sq.    =     0.0078
Number of clusters (district_fixed) =        287  Root MSE        =    19.9373

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
pro_env_dirty_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |    .013167   .0051154     2.57   0.011     .0030983    .
> 0232357
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       7.03
Statistics robust to heteroskedasticity           Prob > F        =     0.0085
                                                  R-squared       =     0.8409
                                                  Adj R-squared   =     0.8014
                                                  Within R-sq.    =     0.0059
Number of clusters (district_fixed) =        287  Root MSE        =    19.9564

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_di~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    1.21722   .4591495     2.65   0.008     .3134795    2.120961
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.58    0.0001 |       18.23   0.0000 |       16.58

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.51    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     336.56
Kleibergen-Paap Wald rk F statistic                                16.58

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       7.03     P-val=0.0085
Anderson-Rubin Wald test           Chi-sq(1)=      7.73     P-val=0.0054
Stock-Wright LM S statistic        Chi-sq(1)=      6.87     P-val=0.0088

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     6.57
                                                      Prob > F      =   0.0109
Total (centered) SS     =  827681.1101                Centered R2   =   0.8385
Total (uncentered) SS   =  827681.1101                Uncentered R2 =        .
Residual SS             =  834948.9676                Root MSE      =     20.1

-------------------------------------------------------------------------------
-------
                     |               Robust
pro_env_dirty_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0323651   .0126255     2.56   0.011     .0075143    .
> 0572159
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.512
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              336.561
                         (Kleibergen-Paap rk Wald F statistic):         16.585
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          225             225              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
dirty_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      16.25
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9768
                                                  Adj R-squared   =     0.9711
                                                  Within R-sq.    =     0.1328
Number of clusters (district_fixed) =        287  Root MSE        =    69.4309

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.52122   5.339056     4.03   0.000     11.01239    32.03005
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       7.07
Statistics robust to heteroskedasticity           Prob > F        =     0.0083
                                                  R-squared       =     0.8413
                                                  Adj R-squared   =     0.8020
                                                  Within R-sq.    =     0.0088
Number of clusters (district_fixed) =        287  Root MSE        =    19.9275

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
pro_env_dirty_e~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0251391   .0094533     2.66   0.008     .0065322    .043
> 7461
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       7.03
Statistics robust to heteroskedasticity           Prob > F        =     0.0085
                                                  R-squared       =     0.8409
                                                  Adj R-squared   =     0.8014
                                                  Within R-sq.    =     0.0059
Number of clusters (district_fixed) =        287  Root MSE        =    19.9564

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_di~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    1.21722   .4591495     2.65   0.008     .3134795    2.120961
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.25    0.0001 |       17.86   0.0000 |       16.25

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.22    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     360.46
Kleibergen-Paap Wald rk F statistic                                16.25

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       7.03     P-val=0.0085
Anderson-Rubin Wald test           Chi-sq(1)=      7.73     P-val=0.0054
Stock-Wright LM S statistic        Chi-sq(1)=      6.87     P-val=0.0088

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     6.71
                                                      Prob > F      =   0.0101
Total (centered) SS     =  827681.1101                Centered R2   =   0.8391
Total (uncentered) SS   =  827681.1101                Uncentered R2 =        .
Residual SS             =  831761.0639                Root MSE      =    20.06

-------------------------------------------------------------------------------
----
                  |               Robust
pro_env_dirty_e~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0565591   .0218337     2.59   0.010      .013584    .099
> 5341
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.220
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              360.455
                         (Kleibergen-Paap rk Wald F statistic):         16.248
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          225             225              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
dirty_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      33.74
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8514
                                                  Adj R-squared   =     0.8145
                                                  Within R-sq.    =     0.0549
Number of clusters (district_fixed) =        287  Root MSE        =     0.7566

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1444673   .0248696     5.81   0.000     .0955167    .1934179
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       0.18
Statistics robust to heteroskedasticity           Prob > F        =     0.6684
                                                  R-squared       =     0.8399
                                                  Adj R-squared   =     0.8003
                                                  Within R-sq.    =     0.0002
Number of clusters (district_fixed) =        287  Root MSE        =    20.0140

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
  pro_env_dirty_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.3157579   .7363306    -0.43   0.668    -1.765073   
>  1.133557
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       7.03
Statistics robust to heteroskedasticity           Prob > F        =     0.0085
                                                  R-squared       =     0.8409
                                                  Adj R-squared   =     0.8014
                                                  Within R-sq.    =     0.0059
Number of clusters (district_fixed) =        287  Root MSE        =    19.9564

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_di~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    1.21722   .4591495     2.65   0.008     .3134795    2.120961
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.74    0.0000 |       37.10   0.0000 |       33.74

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=33.07    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     136.79
Kleibergen-Paap Wald rk F statistic                                33.74

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       7.03     P-val=0.0085
Anderson-Rubin Wald test           Chi-sq(1)=      7.73     P-val=0.0054
Stock-Wright LM S statistic        Chi-sq(1)=      6.87     P-val=0.0088

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     5.97
                                                      Prob > F      =   0.0152
Total (centered) SS     =  827681.1101                Centered R2   =   0.8215
Total (uncentered) SS   =  827681.1101                Uncentered R2 =        .
Residual SS             =  923171.9843                Root MSE      =    21.14

-------------------------------------------------------------------------------
---------
                       |               Robust
  pro_env_dirty_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |    8.42558   3.448905     2.44   0.015     1.637124   
>  15.21404
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             33.075
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              136.792
                         (Kleibergen-Paap rk Wald F statistic):         33.744
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          225             225              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
dirty_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =      32.96
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8937
                                                  Adj R-squared   =     0.8674
                                                  Within R-sq.    =     0.0566
Number of clusters (district_fixed) =        287  Root MSE        =     0.6565

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1273616    .022184     5.74   0.000      .083697    .1710261
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       0.15
Statistics robust to heteroskedasticity           Prob > F        =     0.6992
                                                  R-squared       =     0.8399
                                                  Adj R-squared   =     0.8003
                                                  Within R-sq.    =     0.0001
Number of clusters (district_fixed) =        287  Root MSE        =    20.0143

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
pro_env_dirty_ene~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.3234444   .8361451    -0.39   0.699    -1.969223    1.
> 322334
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,579
Absorbing 2 HDFE groups                           F(   1,    286) =       7.03
Statistics robust to heteroskedasticity           Prob > F        =     0.0085
                                                  R-squared       =     0.8409
                                                  Adj R-squared   =     0.8014
                                                  Within R-sq.    =     0.0059
Number of clusters (district_fixed) =        287  Root MSE        =    19.9564

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_di~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |    1.21722   .4591495     2.65   0.008     .3134795    2.120961
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          225             225              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.96    0.0000 |       36.24   0.0000 |       32.96

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.52    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     141.21
Kleibergen-Paap Wald rk F statistic                                32.96

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       7.03     P-val=0.0085
Anderson-Rubin Wald test           Chi-sq(1)=      7.73     P-val=0.0054
Stock-Wright LM S statistic        Chi-sq(1)=      6.87     P-val=0.0088

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2579
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2579
                                                      F(  1,   286) =     5.92
                                                      Prob > F      =   0.0156
Total (centered) SS     =  827681.1101                Centered R2   =   0.8221
Total (uncentered) SS   =  827681.1101                Uncentered R2 =        .
Residual SS             =  919722.6549                Root MSE      =     21.1

-------------------------------------------------------------------------------
------
                    |               Robust
pro_env_dirty_ene~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   9.557204   3.929534     2.43   0.016     1.822729    17
> .29168
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.521
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              141.209
                         (Kleibergen-Paap rk Wald F statistic):         32.961
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          225             225              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
dirty_lncount
air
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =      16.55
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.6943
                                                  Adj R-squared   =     0.6117
                                                  Within R-sq.    =     0.1264
Number of clusters (district_fixed) =        287  Root MSE        =   133.7257

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |     37.771    9.28463     4.07   0.000     19.49613    56.04588
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       7.55
Statistics robust to heteroskedasticity           Prob > F        =     0.0064
                                                  R-squared       =     0.7878
                                                  Adj R-squared   =     0.7304
                                                  Within R-sq.    =     0.0057
Number of clusters (district_fixed) =        287  Root MSE        =    24.7080

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
         pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0130982   .0047664     2.75   0.006     .0037165    .
> 0224799
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          200             200              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       3.35
Statistics robust to heteroskedasticity           Prob > F        =     0.0682
                                                  R-squared       =     0.7871
                                                  Adj R-squared   =     0.7295
                                                  Within R-sq.    =     0.0025
Number of clusters (district_fixed) =        287  Root MSE        =    24.7478

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
 pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9227287   .5039728     1.83   0.068    -.0692375    1.914695
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.55    0.0001 |       18.20   0.0000 |       16.55

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.50    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     302.15
Kleibergen-Paap Wald rk F statistic                                16.55

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       3.35     P-val=0.0682
Anderson-Rubin Wald test           Chi-sq(1)=      3.69     P-val=0.0549
Stock-Wright LM S statistic        Chi-sq(1)=      3.34     P-val=0.0675

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2289
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2289
                                                      F(  1,   286) =     3.39
                                                      Prob > F      =   0.0668
Total (centered) SS     =  1105809.795                Centered R2   =   0.7868
Total (uncentered) SS   =  1105809.795                Uncentered R2 =        .
Residual SS             =  1104218.419                Root MSE      =    24.76

-------------------------------------------------------------------------------
-------
                     |               Robust
         pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0244296   .0132746     1.84   0.067    -.0016988    .
> 0505579
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.501
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              302.149
                         (Kleibergen-Paap rk Wald F statistic):         16.550
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          200             200              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
air_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =      16.25
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9744
                                                  Adj R-squared   =     0.9674
                                                  Within R-sq.    =     0.1338
Number of clusters (district_fixed) =        287  Root MSE        =    73.9519

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.58261   5.353597     4.03   0.000     11.04516    32.12006
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       8.66
Statistics robust to heteroskedasticity           Prob > F        =     0.0035
                                                  R-squared       =     0.7880
                                                  Adj R-squared   =     0.7307
                                                  Within R-sq.    =     0.0069
Number of clusters (district_fixed) =        287  Root MSE        =    24.6939

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
      pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0258144    .008772     2.94   0.004     .0085484    .043
> 0803
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          200             200              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       3.35
Statistics robust to heteroskedasticity           Prob > F        =     0.0682
                                                  R-squared       =     0.7871
                                                  Adj R-squared   =     0.7295
                                                  Within R-sq.    =     0.0025
Number of clusters (district_fixed) =        287  Root MSE        =    24.7478

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
 pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9227287   .5039728     1.83   0.068    -.0692375    1.914695
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.25    0.0001 |       17.87   0.0000 |       16.25

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.24    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     322.58
Kleibergen-Paap Wald rk F statistic                                16.25

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       3.35     P-val=0.0682
Anderson-Rubin Wald test           Chi-sq(1)=      3.69     P-val=0.0549
Stock-Wright LM S statistic        Chi-sq(1)=      3.34     P-val=0.0675

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2289
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2289
                                                      F(  1,   286) =     3.42
                                                      Prob > F      =   0.0654
Total (centered) SS     =  1105809.795                Centered R2   =   0.7874
Total (uncentered) SS   =  1105809.795                Uncentered R2 =        .
Residual SS             =  1101494.986                Root MSE      =    24.73

-------------------------------------------------------------------------------
----
                  |               Robust
      pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0427533   .0231131     1.85   0.065    -.0027399    .088
> 2466
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.236
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              322.584
                         (Kleibergen-Paap rk Wald F statistic):         16.252
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          200             200              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
air_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =      33.72
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8431
                                                  Adj R-squared   =     0.8007
                                                  Within R-sq.    =     0.0578
Number of clusters (district_fixed) =        287  Root MSE        =     0.7838

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1441679   .0248252     5.81   0.000     .0953045    .1930312
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       0.27
Statistics robust to heteroskedasticity           Prob > F        =     0.6029
                                                  R-squared       =     0.7866
                                                  Adj R-squared   =     0.7289
                                                  Within R-sq.    =     0.0002
Number of clusters (district_fixed) =        287  Root MSE        =    24.7760

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
           pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.4721434   .9066096    -0.52   0.603    -2.256617   
>   1.31233
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          200             200              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       3.35
Statistics robust to heteroskedasticity           Prob > F        =     0.0682
                                                  R-squared       =     0.7871
                                                  Adj R-squared   =     0.7295
                                                  Within R-sq.    =     0.0025
Number of clusters (district_fixed) =        287  Root MSE        =    24.7478

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
 pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9227287   .5039728     1.83   0.068    -.0692375    1.914695
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.72    0.0000 |       37.08   0.0000 |       33.72

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=33.22    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     128.13
Kleibergen-Paap Wald rk F statistic                                33.72

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       3.35     P-val=0.0682
Anderson-Rubin Wald test           Chi-sq(1)=      3.69     P-val=0.0549
Stock-Wright LM S statistic        Chi-sq(1)=      3.34     P-val=0.0675

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2289
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2289
                                                      F(  1,   286) =     3.29
                                                      Prob > F      =   0.0709
Total (centered) SS     =  1105809.795                Centered R2   =   0.7759
Total (uncentered) SS   =  1105809.795                Uncentered R2 =        .
Residual SS             =  1161015.875                Root MSE      =    25.39

-------------------------------------------------------------------------------
---------
                       |               Robust
           pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   6.400377   3.530344     1.81   0.071    -.5483745   
>  13.34913
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             33.222
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              128.126
                         (Kleibergen-Paap rk Wald F statistic):         33.725
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          200             200              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
air_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =      32.91
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8879
                                                  Adj R-squared   =     0.8577
                                                  Within R-sq.    =     0.0597
Number of clusters (district_fixed) =        287  Root MSE        =     0.6801

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1272268   .0221784     5.74   0.000     .0835732    .1708804
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       0.10
Statistics robust to heteroskedasticity           Prob > F        =     0.7484
                                                  R-squared       =     0.7866
                                                  Adj R-squared   =     0.7288
                                                  Within R-sq.    =     0.0001
Number of clusters (district_fixed) =        287  Root MSE        =    24.7779

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
        pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.3344694    1.04193    -0.32   0.748    -2.385294    1.
> 716355
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          200             200              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,289
Absorbing 2 HDFE groups                           F(   1,    286) =       3.35
Statistics robust to heteroskedasticity           Prob > F        =     0.0682
                                                  R-squared       =     0.7871
                                                  Adj R-squared   =     0.7295
                                                  Within R-sq.    =     0.0025
Number of clusters (district_fixed) =        287  Root MSE        =    24.7478

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
 pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .9227287   .5039728     1.83   0.068    -.0692375    1.914695
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          200             200              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.91    0.0000 |       36.19   0.0000 |       32.91

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.64    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     132.54
Kleibergen-Paap Wald rk F statistic                                32.91

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       3.35     P-val=0.0682
Anderson-Rubin Wald test           Chi-sq(1)=      3.69     P-val=0.0549
Stock-Wright LM S statistic        Chi-sq(1)=      3.34     P-val=0.0675

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2289
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2289
                                                      F(  1,   286) =     3.32
                                                      Prob > F      =   0.0695
Total (centered) SS     =  1105809.795                Centered R2   =   0.7767
Total (uncentered) SS   =  1105809.795                Uncentered R2 =        .
Residual SS             =  1156705.587                Root MSE      =    25.34

-------------------------------------------------------------------------------
------
                    |               Robust
        pro_env_air |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   7.252627   3.980696     1.82   0.070      -.58255     1
> 5.0878
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.641
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              132.543
                         (Kleibergen-Paap rk Wald F statistic):         32.908
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          200             200              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
air_lncount
climate
capacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =      17.40
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8893
                                                  Adj R-squared   =     0.8446
                                                  Within R-sq.    =     0.1191
Number of clusters (district_fixed) =        287  Root MSE        =   109.9491

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   52.30756   12.54033     4.17   0.000      27.6245    76.99061
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       0.71
Statistics robust to heteroskedasticity           Prob > F        =     0.4013
                                                  R-squared       =     0.8277
                                                  Adj R-squared   =     0.7581
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    22.0094

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
pro_env_climate_ch~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0041104   .0048905     0.84   0.401    -.0055156    .
> 0137364
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          125             125              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       1.22
Statistics robust to heteroskedasticity           Prob > F        =     0.2697
                                                  R-squared       =     0.8279
                                                  Adj R-squared   =     0.7584
                                                  Within R-sq.    =     0.0018
Number of clusters (district_fixed) =        287  Root MSE        =    21.9952

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.197788    1.08304     1.11   0.270    -.9339517    3.329527
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      17.40    0.0000 |       19.13   0.0000 |       17.40

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=14.32    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     176.74
Kleibergen-Paap Wald rk F statistic                                17.40

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.22     P-val=0.2697
Anderson-Rubin Wald test           Chi-sq(1)=      1.34     P-val=0.2462
Stock-Wright LM S statistic        Chi-sq(1)=      1.35     P-val=0.2451

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       1433
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     1433
                                                      F(  1,   286) =     1.28
                                                      Prob > F      =   0.2584
Total (centered) SS     =  494337.1758                Centered R2   =   0.8260
Total (uncentered) SS   =  494337.1758                Uncentered R2 =        .
Residual SS             =  499042.0829                Root MSE      =    22.12

-------------------------------------------------------------------------------
-------
                     |               Robust
pro_env_climate_ch~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0228989   .0202218     1.13   0.258    -.0169034    .
> 0627013
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             14.316
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              176.735
                         (Kleibergen-Paap rk Wald F statistic):         17.398
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          125             125              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
climate_capacity
count
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =      18.67
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9875
                                                  Adj R-squared   =     0.9824
                                                  Within R-sq.    =     0.1263
Number of clusters (district_fixed) =        287  Root MSE        =    57.2864

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   28.17636    6.52097     4.32   0.000     15.34117    41.01154
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       0.67
Statistics robust to heteroskedasticity           Prob > F        =     0.4138
                                                  R-squared       =     0.8277
                                                  Adj R-squared   =     0.7581
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    22.0091

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
pro_env_climate~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0080247    .009805     0.82   0.414    -.0112745    .027
> 3238
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          125             125              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       1.22
Statistics robust to heteroskedasticity           Prob > F        =     0.2697
                                                  R-squared       =     0.8279
                                                  Adj R-squared   =     0.7584
                                                  Within R-sq.    =     0.0018
Number of clusters (district_fixed) =        287  Root MSE        =    21.9952

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.197788    1.08304     1.11   0.270    -.9339517    3.329527
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      18.67    0.0000 |       20.53   0.0000 |       18.67

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=15.13    P-val=0.0001

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     188.91
Kleibergen-Paap Wald rk F statistic                                18.67

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.22     P-val=0.2697
Anderson-Rubin Wald test           Chi-sq(1)=      1.34     P-val=0.2462
Stock-Wright LM S statistic        Chi-sq(1)=      1.35     P-val=0.2451

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       1433
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     1433
                                                      F(  1,   286) =     1.28
                                                      Prob > F      =   0.2583
Total (centered) SS     =  494337.1758                Centered R2   =   0.8261
Total (uncentered) SS   =  494337.1758                Uncentered R2 =        .
Residual SS             =  498646.7374                Root MSE      =    22.11

-------------------------------------------------------------------------------
----
                  |               Robust
pro_env_climate~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0425104    .037534     1.13   0.258    -.0313674    .116
> 3882
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             15.126
                                                   Chi-sq(1) P-val =    0.0001
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              188.906
                         (Kleibergen-Paap rk Wald F statistic):         18.670
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          125             125              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
climate_count
lncapacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =      22.20
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9267
                                                  Adj R-squared   =     0.8972
                                                  Within R-sq.    =     0.0357
Number of clusters (district_fixed) =        287  Root MSE        =     0.6523

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1624905     .03449     4.71   0.000     .0946041    .2303769
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       0.20
Statistics robust to heteroskedasticity           Prob > F        =     0.6513
                                                  R-squared       =     0.8277
                                                  Adj R-squared   =     0.7580
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    22.0112

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
pro_env_climate_change |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .5853595   1.293825     0.45   0.651    -1.961267   
>  3.131986
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          125             125              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       1.22
Statistics robust to heteroskedasticity           Prob > F        =     0.2697
                                                  R-squared       =     0.8279
                                                  Adj R-squared   =     0.7584
                                                  Within R-sq.    =     0.0018
Number of clusters (district_fixed) =        287  Root MSE        =    21.9952

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.197788    1.08304     1.11   0.270    -.9339517    3.329527
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      22.20    0.0000 |       24.40   0.0000 |       22.20

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=25.56    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      48.45
Kleibergen-Paap Wald rk F statistic                                22.20

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.22     P-val=0.2697
Anderson-Rubin Wald test           Chi-sq(1)=      1.34     P-val=0.2462
Stock-Wright LM S statistic        Chi-sq(1)=      1.35     P-val=0.2451

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       1433
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     1433
                                                      F(  1,   286) =     1.28
                                                      Prob > F      =   0.2580
Total (centered) SS     =  494337.1758                Centered R2   =   0.8204
Total (uncentered) SS   =  494337.1758                Uncentered R2 =        .
Residual SS             =  514911.6485                Root MSE      =    22.47

-------------------------------------------------------------------------------
---------
                       |               Robust
pro_env_climate_change |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   7.371434   6.503996     1.13   0.258    -5.430338   
>   20.1732
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             25.558
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               48.452
                         (Kleibergen-Paap rk Wald F statistic):         22.196
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          125             125              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
climate_lncapacity
lncount
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =      22.23
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9436
                                                  Adj R-squared   =     0.9208
                                                  Within R-sq.    =     0.0375
Number of clusters (district_fixed) =        287  Root MSE        =     0.5625

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1435693   .0304493     4.72   0.000     .0836361    .2035025
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       0.38
Statistics robust to heteroskedasticity           Prob > F        =     0.5396
                                                  R-squared       =     0.8277
                                                  Adj R-squared   =     0.7581
                                                  Within R-sq.    =     0.0006
Number of clusters (district_fixed) =        287  Root MSE        =    22.0083

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
pro_env_climate_c~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .9184531   1.495524     0.61   0.540    -2.025177    3.
> 862084
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          125             125              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      1,433
Absorbing 2 HDFE groups                           F(   1,    286) =       1.22
Statistics robust to heteroskedasticity           Prob > F        =     0.2697
                                                  R-squared       =     0.8279
                                                  Adj R-squared   =     0.7584
                                                  Within R-sq.    =     0.0018
Number of clusters (district_fixed) =        287  Root MSE        =    21.9952

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   1.197788    1.08304     1.11   0.270    -.9339517    3.329527
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          125             125              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      22.23    0.0000 |       24.44   0.0000 |       22.23

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=25.56    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      50.87
Kleibergen-Paap Wald rk F statistic                                22.23

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.22     P-val=0.2697
Anderson-Rubin Wald test           Chi-sq(1)=      1.34     P-val=0.2462
Stock-Wright LM S statistic        Chi-sq(1)=      1.35     P-val=0.2451

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       1433
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     1433
                                                      F(  1,   286) =     1.30
                                                      Prob > F      =   0.2557
Total (centered) SS     =  494337.1758                Centered R2   =   0.8213
Total (uncentered) SS   =  494337.1758                Uncentered R2 =        .
Residual SS             =  512538.2316                Root MSE      =    22.42

-------------------------------------------------------------------------------
------
                    |               Robust
pro_env_climate_c~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   8.342927   7.325359     1.14   0.256    -6.075528    22
> .76138
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             25.557
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               50.865
                         (Kleibergen-Paap rk Wald F statistic):         22.231
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          125             125              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
climate_lncount
clean
capacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =      16.59
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.7328
                                                  Adj R-squared   =     0.6710
                                                  Within R-sq.    =     0.1221
Number of clusters (district_fixed) =        287  Root MSE        =   120.4377

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.19943   9.132246     4.07   0.000     19.22449    55.17437
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       9.53
Statistics robust to heteroskedasticity           Prob > F        =     0.0022
                                                  R-squared       =     0.6834
                                                  Adj R-squared   =     0.6103
                                                  Within R-sq.    =     0.0052
Number of clusters (district_fixed) =        287  Root MSE        =    29.1235

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
pro_env_clean_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0163362   .0052914     3.09   0.002     .0059212    .
> 0267513
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       1.69
Statistics robust to heteroskedasticity           Prob > F        =     0.1940
                                                  R-squared       =     0.6822
                                                  Adj R-squared   =     0.6087
                                                  Within R-sq.    =     0.0013
Number of clusters (district_fixed) =        287  Root MSE        =    29.1807

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8605131   .6609902     1.30   0.194    -.4405094    2.161536
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      16.59    0.0001 |       18.25   0.0000 |       16.59

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.51    P-val=0.0002

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     363.28
Kleibergen-Paap Wald rk F statistic                                16.59

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.69     P-val=0.1940
Anderson-Rubin Wald test           Chi-sq(1)=      1.86     P-val=0.1722
Stock-Wright LM S statistic        Chi-sq(1)=      1.78     P-val=0.1827

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2862
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2862
                                                      F(  1,   286) =     1.77
                                                      Prob > F      =   0.1844
Total (centered) SS     =  1981420.724                Centered R2   =   0.6831
Total (uncentered) SS   =  1981420.724                Uncentered R2 =        .
Residual SS             =  1972946.374                Root MSE      =    29.14

-------------------------------------------------------------------------------
-------
                     |               Robust
pro_env_clean_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0231324   .0173867     1.33   0.184    -.0110897    .
> 0573546
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.509
                                                   Chi-sq(1) P-val =    0.0002
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              363.280
                         (Kleibergen-Paap rk Wald F statistic):         16.593
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
clean_capacity
count
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =      16.21
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9784
                                                  Adj R-squared   =     0.9734
                                                  Within R-sq.    =     0.1299
Number of clusters (district_fixed) =        287  Root MSE        =    66.6567

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   21.33103    5.29866     4.03   0.000     10.90172    31.76035
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       8.98
Statistics robust to heteroskedasticity           Prob > F        =     0.0030
                                                  R-squared       =     0.6834
                                                  Adj R-squared   =     0.6103
                                                  Within R-sq.    =     0.0052
Number of clusters (district_fixed) =        287  Root MSE        =    29.1238

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
pro_env_clean_e~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0293328   .0097861     3.00   0.003      .010071    .048
> 5947
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       1.69
Statistics robust to heteroskedasticity           Prob > F        =     0.1940
                                                  R-squared       =     0.6822
                                                  Adj R-squared   =     0.6087
                                                  Within R-sq.    =     0.0013
Number of clusters (district_fixed) =        287  Root MSE        =    29.1807

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8605131   .6609902     1.30   0.194    -.4405094    2.161536
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      16.21    0.0001 |       17.82   0.0000 |       16.21

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.19    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     389.97
Kleibergen-Paap Wald rk F statistic                                16.21

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.69     P-val=0.1940
Anderson-Rubin Wald test           Chi-sq(1)=      1.86     P-val=0.1722
Stock-Wright LM S statistic        Chi-sq(1)=      1.78     P-val=0.1827

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2862
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2862
                                                      F(  1,   286) =     1.81
                                                      Prob > F      =   0.1802
Total (centered) SS     =  1981420.724                Centered R2   =   0.6832
Total (uncentered) SS   =  1981420.724                Uncentered R2 =        .
Residual SS             =  1972647.429                Root MSE      =    29.13

-------------------------------------------------------------------------------
----
                  |               Robust
pro_env_clean_e~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0403409   .0300256     1.34   0.180    -.0187584    .099
> 4402
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.189
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              389.969
                         (Kleibergen-Paap rk Wald F statistic):         16.207
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
clean_count
lncapacity
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =      33.06
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8577
                                                  Adj R-squared   =     0.8249
                                                  Within R-sq.    =     0.0520
Number of clusters (district_fixed) =        287  Root MSE        =     0.7443

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1442677   .0250901     5.75   0.000      .094883    .1936524
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       0.25
Statistics robust to heteroskedasticity           Prob > F        =     0.6162
                                                  R-squared       =     0.6818
                                                  Adj R-squared   =     0.6083
                                                  Within R-sq.    =     0.0002
Number of clusters (district_fixed) =        287  Root MSE        =    29.1956

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
  pro_env_clean_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .5960383   1.187744     0.50   0.616     -1.74179   
>  2.933867
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       1.69
Statistics robust to heteroskedasticity           Prob > F        =     0.1940
                                                  R-squared       =     0.6822
                                                  Adj R-squared   =     0.6087
                                                  Within R-sq.    =     0.0013
Number of clusters (district_fixed) =        287  Root MSE        =    29.1807

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8605131   .6609902     1.30   0.194    -.4405094    2.161536
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      33.06    0.0000 |       36.35   0.0000 |       33.06

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=32.31    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     143.08
Kleibergen-Paap Wald rk F statistic                                33.06

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.69     P-val=0.1940
Anderson-Rubin Wald test           Chi-sq(1)=      1.86     P-val=0.1722
Stock-Wright LM S statistic        Chi-sq(1)=      1.78     P-val=0.1827

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2862
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2862
                                                      F(  1,   286) =     1.65
                                                      Prob > F      =   0.1994
Total (centered) SS     =  1981420.724                Centered R2   =   0.6756
Total (uncentered) SS   =  1981420.724                Uncentered R2 =        .
Residual SS             =  2020075.318                Root MSE      =    29.48

-------------------------------------------------------------------------------
---------
                       |               Robust
  pro_env_clean_energy |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   5.964697   4.636884     1.29   0.199    -3.162051   
>  15.09145
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             32.307
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              143.081
                         (Kleibergen-Paap rk Wald F statistic):         33.062
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          250             250              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
clean_lncapacity
lncount
(running historical version of reghdfe)
(converged in 5 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =      32.41
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8975
                                                  Adj R-squared   =     0.8739
                                                  Within R-sq.    =     0.0535
Number of clusters (district_fixed) =        287  Root MSE        =     0.6455

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1270498   .0223168     5.69   0.000     .0831238    .1709757
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       0.14
Statistics robust to heteroskedasticity           Prob > F        =     0.7106
                                                  R-squared       =     0.6818
                                                  Adj R-squared   =     0.6083
                                                  Within R-sq.    =     0.0001
Number of clusters (district_fixed) =        287  Root MSE        =    29.1972

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
pro_env_clean_ene~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .5074184   1.366365     0.37   0.711    -2.181989    3.
> 196826
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,862
Absorbing 2 HDFE groups                           F(   1,    286) =       1.69
Statistics robust to heteroskedasticity           Prob > F        =     0.1940
                                                  R-squared       =     0.6822
                                                  Adj R-squared   =     0.6087
                                                  Within R-sq.    =     0.0013
Number of clusters (district_fixed) =        287  Root MSE        =    29.1807

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_cl~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .8605131   .6609902     1.30   0.194    -.4405094    2.161536
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          250             250              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      32.41    0.0000 |       35.64   0.0000 |       32.41

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=31.86    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     147.51
Kleibergen-Paap Wald rk F statistic                                32.41

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       1.69     P-val=0.1940
Anderson-Rubin Wald test           Chi-sq(1)=      1.86     P-val=0.1722
Stock-Wright LM S statistic        Chi-sq(1)=      1.78     P-val=0.1827

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2862
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2862
                                                      F(  1,   286) =     1.63
                                                      Prob > F      =   0.2028
Total (centered) SS     =  1981420.724                Centered R2   =   0.6754
Total (uncentered) SS   =  1981420.724                Uncentered R2 =        .
Residual SS             =  2021323.672                Root MSE      =    29.49

-------------------------------------------------------------------------------
------
                    |               Robust
pro_env_clean_ene~y |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   6.773039   5.305988     1.28   0.203    -3.670703    17
> .21678
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             31.859
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              147.506
                         (Kleibergen-Paap rk Wald F statistic):         32.410
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          250             250              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
clean_lncount
oceans
capacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =      13.41
Statistics robust to heteroskedasticity           Prob > F        =     0.0003
                                                  R-squared       =     0.9207
                                                  Adj R-squared   =     0.8625
                                                  Within R-sq.    =     0.1280
Number of clusters (district_fixed) =        287  Root MSE        =   112.9371

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   69.64916   19.02295     3.66   0.000     32.20641    107.0919
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.11
Statistics robust to heteroskedasticity           Prob > F        =     0.7393
                                                  R-squared       =     0.7761
                                                  Adj R-squared   =     0.6118
                                                  Within R-sq.    =     0.0002
Number of clusters (district_fixed) =        287  Root MSE        =    29.1342

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
      pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   -.003777     .01134    -0.33   0.739    -.0260974    .
> 0185434
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |           75              75              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.22
Statistics robust to heteroskedasticity           Prob > F        =     0.6404
                                                  R-squared       =     0.7762
                                                  Adj R-squared   =     0.6119
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    29.1304

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_oc~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -1.05708   2.260469    -0.47   0.640    -5.506346    3.392187
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      13.41    0.0003 |       14.75   0.0001 |       13.41

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=11.35    P-val=0.0008

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     114.50
Kleibergen-Paap Wald rk F statistic                                13.41

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.22     P-val=0.6404
Anderson-Rubin Wald test           Chi-sq(1)=      0.24     P-val=0.6238
Stock-Wright LM S statistic        Chi-sq(1)=      0.24     P-val=0.6266

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =        856
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =      856
                                                      F(  1,   286) =     0.22
                                                      Prob > F      =   0.6431
Total (centered) SS     =  418562.7489                Centered R2   =   0.7756
Total (uncentered) SS   =  418562.7489                Uncentered R2 =        .
Residual SS             =  419397.0813                Root MSE      =    29.17

-------------------------------------------------------------------------------
-------
                     |               Robust
      pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0151772   .0327191    -0.46   0.643    -.0795779    .
> 0492235
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             11.353
                                                   Chi-sq(1) P-val =    0.0008
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              114.505
                         (Kleibergen-Paap rk Wald F statistic):         13.405
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |           75              75              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
oceans_capacity
count
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =      14.25
Statistics robust to heteroskedasticity           Prob > F        =     0.0002
                                                  R-squared       =     0.9901
                                                  Adj R-squared   =     0.9828
                                                  Within R-sq.    =     0.1404
Number of clusters (district_fixed) =        287  Root MSE        =    57.6579

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   37.50099   9.935764     3.77   0.000      17.9445    57.05749
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.23
Statistics robust to heteroskedasticity           Prob > F        =     0.6345
                                                  R-squared       =     0.7762
                                                  Adj R-squared   =     0.6119
                                                  Within R-sq.    =     0.0006
Number of clusters (district_fixed) =        287  Root MSE        =    29.1289

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
   pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |    -.01156   .0242879    -0.48   0.634    -.0593656    .036
> 2457
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |           75              75              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.22
Statistics robust to heteroskedasticity           Prob > F        =     0.6404
                                                  R-squared       =     0.7762
                                                  Adj R-squared   =     0.6119
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    29.1304

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_oc~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -1.05708   2.260469    -0.47   0.640    -5.506346    3.392187
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      14.25    0.0002 |       15.67   0.0001 |       14.25

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=11.84    P-val=0.0006

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     127.36
Kleibergen-Paap Wald rk F statistic                                14.25

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.22     P-val=0.6404
Anderson-Rubin Wald test           Chi-sq(1)=      0.24     P-val=0.6238
Stock-Wright LM S statistic        Chi-sq(1)=      0.24     P-val=0.6266

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =        856
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =      856
                                                      F(  1,   286) =     0.22
                                                      Prob > F      =   0.6424
Total (centered) SS     =  418562.7489                Centered R2   =   0.7759
Total (uncentered) SS   =  418562.7489                Uncentered R2 =        .
Residual SS             =  418835.1181                Root MSE      =    29.15

-------------------------------------------------------------------------------
----
                  |               Robust
   pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   -.028188   .0606385    -0.46   0.642    -.1475424    .091
> 1663
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             11.845
                                                   Chi-sq(1) P-val =    0.0006
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              127.360
                         (Kleibergen-Paap rk Wald F statistic):         14.246
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |           75              75              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
oceans_count
lncapacity
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =      14.97
Statistics robust to heteroskedasticity           Prob > F        =     0.0001
                                                  R-squared       =     0.9526
                                                  Adj R-squared   =     0.9177
                                                  Within R-sq.    =     0.0366
Number of clusters (district_fixed) =        287  Root MSE        =     0.6053

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1897673   .0490496     3.87   0.000     .0932233    .2863112
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.79
Statistics robust to heteroskedasticity           Prob > F        =     0.3740
                                                  R-squared       =     0.7768
                                                  Adj R-squared   =     0.6128
                                                  Within R-sq.    =     0.0030
Number of clusters (district_fixed) =        287  Root MSE        =    29.0947

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
        pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -2.570304   2.886691    -0.89   0.374    -8.252158   
>   3.11155
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |           75              75              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.22
Statistics robust to heteroskedasticity           Prob > F        =     0.6404
                                                  R-squared       =     0.7762
                                                  Adj R-squared   =     0.6119
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    29.1304

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_oc~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -1.05708   2.260469    -0.47   0.640    -5.506346    3.392187
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      14.97    0.0001 |       16.46   0.0000 |       14.97

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=17.66    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      29.60
Kleibergen-Paap Wald rk F statistic                                14.97

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.22     P-val=0.6404
Anderson-Rubin Wald test           Chi-sq(1)=      0.24     P-val=0.6238
Stock-Wright LM S statistic        Chi-sq(1)=      0.24     P-val=0.6266

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =        856
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =      856
                                                      F(  1,   286) =     0.21
                                                      Prob > F      =   0.6476
Total (centered) SS     =  418562.7489                Centered R2   =   0.7759
Total (uncentered) SS   =  418562.7489                Uncentered R2 =        .
Residual SS             =  419011.5402                Root MSE      =    29.15

-------------------------------------------------------------------------------
---------
                       |               Robust
        pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -5.570399   12.17472    -0.46   0.648    -29.53381   
>  18.39301
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             17.661
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               29.596
                         (Kleibergen-Paap rk Wald F statistic):         14.968
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |           75              75              0     | 
        district_fixed |            0             287            287 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
oceans_lncapacity
lncount
(running historical version of reghdfe)
(converged in 6 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =      14.30
Statistics robust to heteroskedasticity           Prob > F        =     0.0002
                                                  R-squared       =     0.9633
                                                  Adj R-squared   =     0.9364
                                                  Within R-sq.    =     0.0360
Number of clusters (district_fixed) =        287  Root MSE        =     0.5182

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1612078   .0426257     3.78   0.000      .077308    .2451077
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.76
Statistics robust to heteroskedasticity           Prob > F        =     0.3849
                                                  R-squared       =     0.7767
                                                  Adj R-squared   =     0.6128
                                                  Within R-sq.    =     0.0028
Number of clusters (district_fixed) =        287  Root MSE        =    29.0972

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
     pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -2.914718   3.349415    -0.87   0.385     -9.50735    3.
> 677913
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |           75              75              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =        856
Absorbing 2 HDFE groups                           F(   1,    286) =       0.22
Statistics robust to heteroskedasticity           Prob > F        =     0.6404
                                                  R-squared       =     0.7762
                                                  Adj R-squared   =     0.6119
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    29.1304

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
pro_env_oc~s |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -1.05708   2.260469    -0.47   0.640    -5.506346    3.392187
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |           75              75              0     | 
 district_fixed |            0             287            287 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      14.30    0.0002 |       15.73   0.0001 |       14.30

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=16.84    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                      29.14
Kleibergen-Paap Wald rk F statistic                                14.30

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.22     P-val=0.6404
Anderson-Rubin Wald test           Chi-sq(1)=      0.24     P-val=0.6238
Stock-Wright LM S statistic        Chi-sq(1)=      0.24     P-val=0.6266

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =        856
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =      856
                                                      F(  1,   286) =     0.21
                                                      Prob > F      =   0.6478
Total (centered) SS     =  418562.7489                Centered R2   =   0.7757
Total (uncentered) SS   =  418562.7489                Uncentered R2 =        .
Residual SS             =  419218.1359                Root MSE      =    29.16

-------------------------------------------------------------------------------
------
                    |               Robust
     pro_env_oceans |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -6.557247   14.33922    -0.46   0.648    -34.78105    21
> .66655
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             16.843
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):               29.138
                         (Kleibergen-Paap rk Wald F statistic):         14.303
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |           75              75              0     | 
     district_fixed |            0             287            287 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
oceans_lncount

. 
. ** Coefplots of issues by independent variable 
. coefplot (drilling_capacity_iv, label(drilling)) (lands_capacity_iv,label(lan
> d)) (toxics_capacity_iv, label(toxics)) ///
>                  (water_capacity_iv, label(water)) (wildlife_capacity_iv, lab
> el(wildlife)) (clean_capacity_iv, label(clean energy)) ///
>                  (dirty_capacity_iv, label(dirty energy)) (climate_capacity_i
> v, label(climate change)) ///
>                  , drop(_cons) coeflabel(cum_capacity_turbine = " ", notick) 
> byopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) nola
> bels ///
>                  name(issue_capacity, replace) xscale(range(-0.05 0.15)) xlab
> el(-0.05(0.05)0.15)  legend(cols(1) pos(3) rowgap(3) symplacement(left) size(
> small)) ///
>                  title("Capacity", color(black) size(small) box bexpand bcolo
> r(gs15) lcolor(black))

.         
. coefplot (drilling_count_iv, label(drilling)) (lands_count_iv,label(land)) (t
> oxics_count_iv, label(toxics)) ///
>                  (water_count_iv, label(water)) (wildlife_count_iv, label(wil
> dlife)) (clean_count_iv, label(clean energy)) ///
>                  (dirty_count_iv, label(dirty energy)) (climate_count_iv, lab
> el(climate change)) ///
>                  , drop(_cons) coeflabel(cum_count_turbine = " ", notick) byo
> pts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) nolabel
> s ///
>                  name(issue_count, replace) xscale(range(-0.05 0.15)) xlabel(
> -0.05(0.05)0.15) ///
>                  title("Count", color(black) size(small) box bexpand bcolor(g
> s15) lcolor(black))

.         
. coefplot (drilling_lncapacity_iv, label(drilling)) (lands_lncapacity_iv,label
> (land)) (toxics_lncapacity_iv, label(toxics)) ///
>                  (water_lncapacity_iv, label(water)) (wildlife_lncapacity_iv,
>  label(wildlife)) (clean_lncapacity_iv, label(clean energy)) ///
>                  (dirty_lncapacity_iv, label(dirty energy)) (climate_lncapaci
> ty_iv, label(climate change))  ///
>                  , drop(_cons) coeflabel(cum_lncapacity_turbine = " ", notick
> ) byopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) //
> /
>                  name(issue_lncapacity, replace) xscale(range(-15 20)) xlabel
> (-15(10)25) ///
>                  title("log(Capacity)", color(black) size(small) box bexpand 
> bcolor(gs15) lcolor(black))

.         
. coefplot (drilling_lncount_iv, label(drilling)) (lands_lncount_iv,label(land)
> ) (toxics_lncount_iv, label(toxics)) ///
>                  (water_lncount_iv, label(water)) (wildlife_lncount_iv, label
> (wildlife)) (clean_lncount_iv, label(clean energy)) ///
>                  (dirty_lncount_iv, label(dirty energy)) (climate_lncount_iv,
>  label(climate change)) ///
>                  , drop(_cons) coeflabel(cum_lncount_turbine = " ", notick) b
> yopts(xrescale) ciopts(recast(rcap)) xline(0) graphregion(color(white)) ///
>                  name(issue_lncount, replace) xscale(range(-15 20)) xlabel(-1
> 5(10)25) ///
>                  title("log(Count)", color(black) size(small) box bexpand bco
> lor(gs15) lcolor(black))

. 
. ** Combine coefplots and save
. grc1leg issue_capacity issue_count issue_lncapacity issue_lncount, legendfrom
> (issue_capacity) position(3) graphregion(color(white)) span

. 
. cd "$rootDir/$graphDir"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Results/Figures

. graph export fg4.pdf, replace
(file /Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen
>  Zhang)/JOP/UZ_JOP2021_Replication/Results/Figures/fg4.pdf written in PDF for
> mat)

. 
. 
. *****************************************************************************
> **
. /*                                                      Table A20            
>                                                             */
. *****************************************************************************
> **
. ** Load wind votes panel
. cd "$rootDir/$dataDir/Final"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Data/Final

. use votes_wind_panel.dta, clear

. 
. ** Create instrument and fixed effects
. gen t = year - 2003

. gen inter = t * mean_wp

. 
. egen stateyear_fixed = group(state year)

. egen district_fixed = group(state district)

. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)

. gen cum_lncount_turbine = log(cum_count_turbine +1 )

. 
. encode name, generate(legislator) 

. 
. *------------ Main results: By pro- or anti- environmental voting -----------
> -*
. local outcome pro_env anti_env // outcome variable 

. local endogenous cum_capacity_turbine cum_count_turbine cum_lncapacity_turbin
> e cum_lncount_turbine // endogenous variable

. local instrument inter // instrument

. local admin1_trend stateyear_fixed // geography * time trend

. local admin2 district_fixed // panel unit (cluster variable)

. local individual legislator // elected official fixed effects

. 
. /* List of variables:
>                 
>   1. outcome            - dependent variable
>   2. endogenous         - independent variable (endogeous) to be instrumented
>   3. instrument         - instrument
>   4. admin1_trend       - admin1-specific time trend (i.e. state by year fixe
> d effect) 
>   5. admin2             - panel unit and cluster variable (i.e congressional 
> district fixed effect)
> 
> */
. 
. foreach y in `outcome' {
  2.         // Create outcome variable label for storing estimates
.         tokenize "`y'", parse("_")
  3.         local y_name "`1'"
  4.         di "`y_name'"
  5.         
.         foreach x in `endogenous' {
  6.                         // Create endogenous variable label for storing es
> timates
.                         tokenize "`x'", parse("_")
  7.                         local x_name "`3'"
  8.                         di "`x_name'"
  9.                         
.                         // Run IV regression
.                         reghdfe `y' (`x' = `instrument'), absorb(`admin1_tren
> d' `admin2' `individual') ffirst stages(first ols reduced) vce(cluster `admin
> 2') old
 10.                         
.                         // Store IV, first stage, OLS, reduced form estimates
.                         estimates store `y_name'_`x_name'_iv
 11.                         estimates restore reghdfe_first1
 12.                         estimates store `y_name'_`x_name'_first
 13.                         estimates restore reghdfe_ols
 14.                         estimates store `y_name'_`x_name'_ols
 15.                         estimates restore reghdfe_reduced
 16.                         estimates store `y_name'_`x_name'_reduced
 17.                 }
 18. }
pro
capacity
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      12.23
Statistics robust to heteroskedasticity           Prob > F        =     0.0005
                                                  R-squared       =     0.8096
                                                  Adj R-squared   =     0.7089
                                                  Within R-sq.    =     0.0723
Number of clusters (district_fixed) =        287  Root MSE        =   113.3342

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |     27.953   7.992985     3.50   0.001     12.22046    43.68554
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       4.03
Statistics robust to heteroskedasticity           Prob > F        =     0.0457
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9285
                                                  Within R-sq.    =     0.0015
Number of clusters (district_fixed) =        287  Root MSE        =    10.8408

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0035954   .0017913     2.01   0.046     .0000696    .
> 0071211
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          249             249              0     | 
      district_fixed |            0             287            287 *   | 
          legislator |            0             453            453 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       0.57
Statistics robust to heteroskedasticity           Prob > F        =     0.4512
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9284
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    10.8474

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1683461   .2231335     0.75   0.451    -.2708461    .6075382
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      12.23    0.0005 |       13.44   0.0002 |       12.23

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=12.06    P-val=0.0005

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     203.48
Kleibergen-Paap Wald rk F statistic                                12.23

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.57     P-val=0.4512
Anderson-Rubin Wald test           Chi-sq(1)=      0.63     P-val=0.4289
Stock-Wright LM S statistic        Chi-sq(1)=      0.60     P-val=0.4389

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     0.55
                                                      Prob > F      =   0.4603
Total (centered) SS     =  220102.7211                Centered R2   =   0.9532
Total (uncentered) SS   =  220102.7211                Uncentered R2 =        .
Residual SS             =  219920.5467                Root MSE      =    10.84

-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0060225   .0081456     0.74   0.460    -.0100104    .
> 0220553
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             12.058
                                                   Chi-sq(1) P-val =    0.0005
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              203.479
                         (Kleibergen-Paap rk Wald F statistic):         12.230
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          249             249              0     | 
      district_fixed |            0             287            287 *   | 
          legislator |            0             453            453 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      13.51
Statistics robust to heteroskedasticity           Prob > F        =     0.0003
                                                  R-squared       =     0.9855
                                                  Adj R-squared   =     0.9779
                                                  Within R-sq.    =     0.0779
Number of clusters (district_fixed) =        287  Root MSE        =    60.8012

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   15.61449   4.248779     3.68   0.000     7.251649    23.97733
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       3.64
Statistics robust to heteroskedasticity           Prob > F        =     0.0573
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9285
                                                  Within R-sq.    =     0.0017
Number of clusters (district_fixed) =        287  Root MSE        =    10.8401

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0069603   .0036465     1.91   0.057    -.0002171    .014
> 1377
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          249             249              0     | 
   district_fixed |            0             287            287 *   | 
       legislator |            0             453            453 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       0.57
Statistics robust to heteroskedasticity           Prob > F        =     0.4512
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9284
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    10.8474

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1683461   .2231335     0.75   0.451    -.2708461    .6075382
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      13.51    0.0003 |       14.85   0.0001 |       13.51

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.26    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     220.61
Kleibergen-Paap Wald rk F statistic                                13.51

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.57     P-val=0.4512
Anderson-Rubin Wald test           Chi-sq(1)=      0.63     P-val=0.4289
Stock-Wright LM S statistic        Chi-sq(1)=      0.60     P-val=0.4389

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     0.55
                                                      Prob > F      =   0.4585
Total (centered) SS     =  220102.7211                Centered R2   =   0.9532
Total (uncentered) SS   =  220102.7211                Uncentered R2 =        .
Residual SS             =  219848.9747                Root MSE      =    10.84

-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0107814   .0145233     0.74   0.458    -.0178047    .039
> 3675
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.262
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              220.605
                         (Kleibergen-Paap rk Wald F statistic):         13.506
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          249             249              0     | 
   district_fixed |            0             287            287 *   | 
       legislator |            0             453            453 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      22.29
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8973
                                                  Adj R-squared   =     0.8430
                                                  Within R-sq.    =     0.0384
Number of clusters (district_fixed) =        287  Root MSE        =     0.7030

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1241684   .0263006     4.72   0.000     .0724011    .1759357
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       0.55
Statistics robust to heteroskedasticity           Prob > F        =     0.4596
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9284
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    10.8462

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
               pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   .3497709   .4723257     0.74   0.460    -.5799045   
>  1.279446
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          249             249              0     | 
        district_fixed |            0             287            287 *   | 
            legislator |            0             453            453 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       0.57
Statistics robust to heteroskedasticity           Prob > F        =     0.4512
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9284
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    10.8474

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1683461   .2231335     0.75   0.451    -.2708461    .6075382
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      22.29    0.0000 |       24.50   0.0000 |       22.29

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=27.48    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     104.35
Kleibergen-Paap Wald rk F statistic                                22.29

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.57     P-val=0.4512
Anderson-Rubin Wald test           Chi-sq(1)=      0.63     P-val=0.4289
Stock-Wright LM S statistic        Chi-sq(1)=      0.60     P-val=0.4389

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     0.53
                                                      Prob > F      =   0.4651
Total (centered) SS     =  220102.7211                Centered R2   =   0.9530
Total (uncentered) SS   =  220102.7211                Uncentered R2 =        .
Residual SS             =  220957.8616                Root MSE      =    10.87

-------------------------------------------------------------------------------
---------
                       |               Robust
               pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |   1.355789   1.853603     0.73   0.465    -2.292647   
>  5.004224
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             27.480
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              104.351
                         (Kleibergen-Paap rk Wald F statistic):         22.289
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          249             249              0     | 
        district_fixed |            0             287            287 *   | 
            legislator |            0             453            453 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      21.06
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9248
                                                  Adj R-squared   =     0.8850
                                                  Within R-sq.    =     0.0389
Number of clusters (district_fixed) =        287  Root MSE        =     0.6153

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1093541   .0238296     4.59   0.000     .0624504    .1562577
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       0.54
Statistics robust to heteroskedasticity           Prob > F        =     0.4646
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9284
                                                  Within R-sq.    =     0.0005
Number of clusters (district_fixed) =        287  Root MSE        =    10.8462

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
            pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   .3944045   .5385557     0.73   0.465    -.6656312     1
> .45444
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          249             249              0     | 
     district_fixed |            0             287            287 *   | 
         legislator |            0             453            453 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       0.57
Statistics robust to heteroskedasticity           Prob > F        =     0.4512
                                                  R-squared       =     0.9532
                                                  Adj R-squared   =     0.9284
                                                  Within R-sq.    =     0.0003
Number of clusters (district_fixed) =        287  Root MSE        =    10.8474

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
     pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1683461   .2231335     0.75   0.451    -.2708461    .6075382
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      21.06    0.0000 |       23.15   0.0000 |       21.06

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=25.92    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     105.64
Kleibergen-Paap Wald rk F statistic                                21.06

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       0.57     P-val=0.4512
Anderson-Rubin Wald test           Chi-sq(1)=      0.63     P-val=0.4289
Stock-Wright LM S statistic        Chi-sq(1)=      0.60     P-val=0.4389

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     0.53
                                                      Prob > F      =   0.4660
Total (centered) SS     =  220102.7211                Centered R2   =   0.9530
Total (uncentered) SS   =  220102.7211                Uncentered R2 =        .
Residual SS             =  220954.0981                Root MSE      =    10.87

-------------------------------------------------------------------------------
------
                    |               Robust
            pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   1.539458   2.108803     0.73   0.466    -2.611285    5.
> 690201
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             25.919
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              105.636
                         (Kleibergen-Paap rk Wald F statistic):         21.059
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          249             249              0     | 
     district_fixed |            0             287            287 *   | 
         legislator |            0             453            453 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
anti
capacity
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_capacity_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      12.23
Statistics robust to heteroskedasticity           Prob > F        =     0.0005
                                                  R-squared       =     0.8096
                                                  Adj R-squared   =     0.7089
                                                  Within R-sq.    =     0.0723
Number of clusters (district_fixed) =        287  Root MSE        =   113.3342

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_capaci~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |     27.953   7.992985     3.50   0.001     12.22046    43.68554
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       2.79
Statistics robust to heteroskedasticity           Prob > F        =     0.0959
                                                  R-squared       =     0.9597
                                                  Adj R-squared   =     0.9383
                                                  Within R-sq.    =     0.0012
Number of clusters (district_fixed) =        287  Root MSE        =    10.0130

                               (Std. Err. adjusted for 287 clusters in district
> _fixed)
-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0029166   .0017458    -1.67   0.096    -.0063528    .
> 0005195
-------------------------------------------------------------------------------
-------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          249             249              0     | 
      district_fixed |            0             287            287 *   | 
          legislator |            0             453            453 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       4.48
Statistics robust to heteroskedasticity           Prob > F        =     0.0352
                                                  R-squared       =     0.9597
                                                  Adj R-squared   =     0.9384
                                                  Within R-sq.    =     0.0024
Number of clusters (district_fixed) =        287  Root MSE        =    10.0068

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -.435121   .2056738    -2.12   0.035    -.8399473   -.0302946
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_capacity |      12.23    0.0005 |       13.44   0.0002 |       12.23

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=12.06    P-val=0.0005

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     203.48
Kleibergen-Paap Wald rk F statistic                                12.23

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       4.48     P-val=0.0352
Anderson-Rubin Wald test           Chi-sq(1)=      4.92     P-val=0.0265
Stock-Wright LM S statistic        Chi-sq(1)=      4.48     P-val=0.0343

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     3.24
                                                      Prob > F      =   0.0730
Total (centered) SS     =  187707.9165                Centered R2   =   0.9588
Total (uncentered) SS   =  187707.9165                Uncentered R2 =        .
Residual SS             =  191630.6591                Root MSE      =    10.12

-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0155662   .0086494    -1.80   0.073    -.0325907    .
> 0014584
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             12.058
                                                   Chi-sq(1) P-val =    0.0005
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              203.479
                         (Kleibergen-Paap rk Wald F statistic):         12.230
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          249             249              0     | 
      district_fixed |            0             287            287 *   | 
          legislator |            0             453            453 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
count
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_count_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      13.51
Statistics robust to heteroskedasticity           Prob > F        =     0.0003
                                                  R-squared       =     0.9855
                                                  Adj R-squared   =     0.9779
                                                  Within R-sq.    =     0.0779
Number of clusters (district_fixed) =        287  Root MSE        =    60.8012

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_count_~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   15.61449   4.248779     3.68   0.000     7.251649    23.97733
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       2.08
Statistics robust to heteroskedasticity           Prob > F        =     0.1507
                                                  R-squared       =     0.9596
                                                  Adj R-squared   =     0.9383
                                                  Within R-sq.    =     0.0011
Number of clusters (district_fixed) =        287  Root MSE        =    10.0133

                            (Std. Err. adjusted for 287 clusters in district_fi
> xed)
-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0052917   .0036723    -1.44   0.151    -.0125198    .001
> 9365
-------------------------------------------------------------------------------
----

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          249             249              0     | 
   district_fixed |            0             287            287 *   | 
       legislator |            0             453            453 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       4.48
Statistics robust to heteroskedasticity           Prob > F        =     0.0352
                                                  R-squared       =     0.9597
                                                  Adj R-squared   =     0.9384
                                                  Within R-sq.    =     0.0024
Number of clusters (district_fixed) =        287  Root MSE        =    10.0068

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -.435121   .2056738    -2.12   0.035    -.8399473   -.0302946
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_count_tu |      13.51    0.0003 |       14.85   0.0001 |       13.51

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=13.26    P-val=0.0003

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     220.61
Kleibergen-Paap Wald rk F statistic                                13.51

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       4.48     P-val=0.0352
Anderson-Rubin Wald test           Chi-sq(1)=      4.92     P-val=0.0265
Stock-Wright LM S statistic        Chi-sq(1)=      4.48     P-val=0.0343

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     3.35
                                                      Prob > F      =   0.0684
Total (centered) SS     =  187707.9165                Centered R2   =   0.9588
Total (uncentered) SS   =  187707.9165                Uncentered R2 =        .
Residual SS             =  191318.7622                Root MSE      =    10.11

-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0278665    .015234    -1.83   0.068    -.0578516    .002
> 1186
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             13.262
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              220.605
                         (Kleibergen-Paap rk Wald F statistic):         13.506
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          249             249              0     | 
   district_fixed |            0             287            287 *   | 
       legislator |            0             453            453 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncapacity
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_lncapacity_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      22.29
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.8973
                                                  Adj R-squared   =     0.8430
                                                  Within R-sq.    =     0.0384
Number of clusters (district_fixed) =        287  Root MSE        =     0.7030

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncapa~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1241684   .0263006     4.72   0.000     .0724011    .1759357
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       1.07
Statistics robust to heteroskedasticity           Prob > F        =     0.3010
                                                  R-squared       =     0.9596
                                                  Adj R-squared   =     0.9383
                                                  Within R-sq.    =     0.0011
Number of clusters (district_fixed) =        287  Root MSE        =    10.0136

                                 (Std. Err. adjusted for 287 clusters in distri
> ct_fixed)
-------------------------------------------------------------------------------
---------
                       |               Robust
              anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -.4534557   .4375954    -1.04   0.301    -1.314772   
>  .4078604
-------------------------------------------------------------------------------
---------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          249             249              0     | 
        district_fixed |            0             287            287 *   | 
            legislator |            0             453            453 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       4.48
Statistics robust to heteroskedasticity           Prob > F        =     0.0352
                                                  R-squared       =     0.9597
                                                  Adj R-squared   =     0.9384
                                                  Within R-sq.    =     0.0024
Number of clusters (district_fixed) =        287  Root MSE        =    10.0068

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -.435121   .2056738    -2.12   0.035    -.8399473   -.0302946
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncapaci |      22.29    0.0000 |       24.50   0.0000 |       22.29

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=27.48    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     104.35
Kleibergen-Paap Wald rk F statistic                                22.29

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       4.48     P-val=0.0352
Anderson-Rubin Wald test           Chi-sq(1)=      4.92     P-val=0.0265
Stock-Wright LM S statistic        Chi-sq(1)=      4.48     P-val=0.0343

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     3.78
                                                      Prob > F      =   0.0528
Total (centered) SS     =  187707.9165                Centered R2   =   0.9577
Total (uncentered) SS   =  187707.9165                Uncentered R2 =        .
Residual SS             =  196455.9657                Root MSE      =    10.25

-------------------------------------------------------------------------------
---------
                       |               Robust
              anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. 
> Interval]
-----------------------+-------------------------------------------------------
---------
cum_lncapacity_turbine |  -3.504282   1.801986    -1.94   0.053    -7.051118   
>   .042554
-------------------------------------------------------------------------------
---------
Underidentification test (Kleibergen-Paap rk LM statistic):             27.480
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              104.351
                         (Kleibergen-Paap rk Wald F statistic):         22.289
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncapacity_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-------------------------------------------------------------------------+
           Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
-----------------------+-------------------------------------------------|
       stateyear_fixed |          249             249              0     | 
        district_fixed |            0             287            287 *   | 
            legislator |            0             453            453 *   | 
-------------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)
lncount
(running historical version of reghdfe)
(dropped 8 singleton observations)
(converged in 17 iterations)

Stage: first - cum_lncount_turbine

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =      21.06
Statistics robust to heteroskedasticity           Prob > F        =     0.0000
                                                  R-squared       =     0.9248
                                                  Adj R-squared   =     0.8850
                                                  Within R-sq.    =     0.0389
Number of clusters (district_fixed) =        287  Root MSE        =     0.6153

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
cum_lncoun~e |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   .1093541   .0238296     4.59   0.000     .0624504    .1562577
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: ols

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       1.14
Statistics robust to heteroskedasticity           Prob > F        =     0.2869
                                                  R-squared       =     0.9596
                                                  Adj R-squared   =     0.9383
                                                  Within R-sq.    =     0.0012
Number of clusters (district_fixed) =        287  Root MSE        =    10.0131

                              (Std. Err. adjusted for 287 clusters in district_
> fixed)
-------------------------------------------------------------------------------
------
                    |               Robust
           anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |  -.5438106   .5096608    -1.07   0.287    -1.546972    .4
> 593512
-------------------------------------------------------------------------------
------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          249             249              0     | 
     district_fixed |            0             287            287 *   | 
         legislator |            0             453            453 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: reduced

HDFE Linear regression                            Number of obs   =      2,860
Absorbing 3 HDFE groups                           F(   1,    286) =       4.48
Statistics robust to heteroskedasticity           Prob > F        =     0.0352
                                                  R-squared       =     0.9597
                                                  Adj R-squared   =     0.9384
                                                  Within R-sq.    =     0.0024
Number of clusters (district_fixed) =        287  Root MSE        =    10.0068

                       (Std. Err. adjusted for 287 clusters in district_fixed)
------------------------------------------------------------------------------
             |               Robust
    anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Interval]
-------------+----------------------------------------------------------------
       inter |   -.435121   .2056738    -2.12   0.035    -.8399473   -.0302946
------------------------------------------------------------------------------

Absorbed degrees of freedom:
------------------------------------------------------------------+
    Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
----------------+-------------------------------------------------|
stateyear_fixed |          249             249              0     | 
 district_fixed |            0             287            287 *   | 
     legislator |            0             453            453 *   | 
------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

Stage: iv


Summary results for first-stage regressions
-------------------------------------------

                                           (Underid)            (Weak id)
Variable     | F(  1,   286)  P-val | SW Chi-sq(  1) P-val | SW F(  1,   286)
cum_lncount_ |      21.06    0.0000 |       23.15   0.0000 |       21.06

NB: first-stage test statistics cluster-robust

Stock-Yogo weak ID F test critical values for single endogenous regressor:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for i.i.d. errors only.

Underidentification test
Ho: matrix of reduced form coefficients has rank=K1-1 (underidentified)
Ha: matrix has rank=K1 (identified)
Kleibergen-Paap rk LM statistic          Chi-sq(1)=25.92    P-val=0.0000

Weak identification test
Ho: equation is weakly identified
Cragg-Donald Wald F statistic                                     105.64
Kleibergen-Paap Wald rk F statistic                                21.06

Stock-Yogo weak ID test critical values for K1=1 and L1=1:
                                   10% maximal IV size             16.38
                                   15% maximal IV size              8.96
                                   20% maximal IV size              6.66
                                   25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.

Weak-instrument-robust inference
Tests of joint significance of endogenous regressors B1 in main equation
Ho: B1=0 and orthogonality conditions are valid
Anderson-Rubin Wald test           F(1,286)=       4.48     P-val=0.0352
Anderson-Rubin Wald test           Chi-sq(1)=      4.92     P-val=0.0265
Stock-Wright LM S statistic        Chi-sq(1)=      4.48     P-val=0.0343

NB: Underidentification, weak identification and weak-identification-robust
    test statistics cluster-robust

Number of clusters             N_clust  =        287
Number of observations               N  =       2860
Number of regressors                 K  =          1
Number of endogenous regressors      K1 =          1
Number of instruments                L  =          1
Number of excluded instruments       L1 =          1

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2860
                                                      F(  1,   286) =     3.71
                                                      Prob > F      =   0.0552
Total (centered) SS     =  187707.9165                Centered R2   =   0.9578
Total (uncentered) SS   =  187707.9165                Uncentered R2 =        .
Residual SS             =  196184.0584                Root MSE      =    10.24

-------------------------------------------------------------------------------
------
                    |               Robust
           anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Int
> erval]
--------------------+----------------------------------------------------------
------
cum_lncount_turbine |   -3.97901   2.067055    -1.92   0.055     -8.04758    .0
> 895597
-------------------------------------------------------------------------------
------
Underidentification test (Kleibergen-Paap rk LM statistic):             25.919
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              105.636
                         (Kleibergen-Paap rk Wald F statistic):         21.059
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_lncount_turbine
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
----------------------------------------------------------------------+
        Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
--------------------+-------------------------------------------------|
    stateyear_fixed |          249             249              0     | 
     district_fixed |            0             287            287 *   | 
         legislator |            0             453            453 *   | 
----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(results reghdfe_first1 are active now)
(results reghdfe_ols are active now)
(results reghdfe_reduced are active now)

. 
. *--------------------- Export LaTeX regression tables -----------------------
> *
. cd "$rootDir/$resultDir/Tables"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Results/Tables

.         
. * OLS
. esttab pro_lncapacity_ols pro_lncount_ols anti_lncapacity_ols anti_lncount_ol
> s using TableA20.tex, booktabs replace ///
>                 refcat(cum_lncapacity_turbine "\emph{Panel A: OLS}", nolabel)
>  ///
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 
> 0.01) ///
>                 varlabels(cum_lncapacity_turbine "log(Cumulative capacity+1)"
>  cum_lncount_turbine "log(Cumulative count+1)") varwidth(27) modelwidth(13) /
> //
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", patte
> rn(1 0 1 0) prefix(\multicolumn{@span}{c}{) suffix(}) span erepeat(\cmidrule(
> lr){@span})) ///
>                 width(\hsize)
(output written to TableA20.tex)

.                 
. * IV
. esttab pro_lncapacity_iv pro_lncount_iv anti_lncapacity_iv anti_lncount_iv us
> ing TableA20.tex, booktabs append ///
>                 refcat(cum_lncapacity_turbine "\emph{Panel B: IV}", nolabel) 
> ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(no
> ne) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts
> " "\(R^{2}\)") fmt(0 0 2)) ///
>                 varlabels(cum_lncapacity_turbine "log(Cumulative capacity+1)"
>  cum_lncount_turbine "log(Cumulative count+1)") varwidth(27) modelwidth(13) /
> //
>                 width(\hsize)
(output written to TableA20.tex)

. 
. 
. *****************************************************************************
> **
. /*                                                       TABLE A15           
>                                                             */
. *****************************************************************************
> **
. cd "$rootDir/$dataDir/Final"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Data/Final

. use ACS_panel_balanceTest_recodeVar.dta, clear 

. 
. ** Create instrument and fixed effects
. gen t = year - 2005

. gen inter = t * mean_wp

. 
. egen stateyear_fixed = group(state year)

. egen district_fixed = group(state district)

. 
. gen cum_lncapacity_turbine = log(cum_capacity_turbine + 1)

. gen cum_lncount_turbine = log(cum_count_turbine +1 )

. 
. *gen pop_density = pop/dist_area
. 
. ** Include balance variable as controls
. reghdfe pro_env pop white home_median (cum_capacity_turbine=inter), absorb(st
> ateyear_fixed district_fixed) vce(cluster district_fixed) old
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2007
                                                      F(  4,   286) =     1.18
                                                      Prob > F      =   0.3194
Total (centered) SS     =  416180.8007                Centered R2   =   0.8719
Total (uncentered) SS   =  416180.8007                Uncentered R2 =        .
Residual SS             =  413883.9742                Root MSE      =    16.39

-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0242328   .0129789     1.87   0.063    -.0013135    .
> 0497792
                 pop |  -.0131358   .0305535    -0.43   0.668     -.073274    .
> 0470024
               white |  -14.96261   18.99886    -0.79   0.432    -52.35794    2
> 2.43273
         home_median |  -.0001699   .0164545    -0.01   0.992    -.0325571    .
> 0322174
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.083
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              218.027
                         (Kleibergen-Paap rk Wald F statistic):         15.882
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Included instruments: pop white home_median
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          175             175              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

. estimates store pro_capacityB_iv

. 
. reghdfe pro_env pop white home_median (cum_count_turbine=inter), absorb(state
> year_fixed district_fixed) vce(cluster district_fixed) old
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2007
                                                      F(  4,   286) =     1.23
                                                      Prob > F      =   0.2999
Total (centered) SS     =  416180.8007                Centered R2   =   0.8722
Total (uncentered) SS   =  416180.8007                Uncentered R2 =        .
Residual SS             =  412996.7271                Root MSE      =    16.37

-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0425848     .02222     1.92   0.056    -.0011506    .086
> 3202
              pop |  -.0131278   .0304664    -0.43   0.667    -.0730945    .046
> 8389
            white |  -14.06859   19.01353    -0.74   0.460    -51.49279    23.3
> 5562
      home_median |  -.0001787   .0163843    -0.01   0.991    -.0324279    .032
> 0705
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             12.297
                                                   Chi-sq(1) P-val =    0.0005
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              224.158
                         (Kleibergen-Paap rk Wald F statistic):         14.835
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Included instruments: pop white home_median
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          175             175              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

. estimates store pro_countB_iv

. 
. reghdfe anti_env pop white home_median (cum_capacity_turbine=inter), absorb(s
> tateyear_fixed district_fixed) vce(cluster district_fixed) old
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2007
                                                      F(  4,   286) =     1.01
                                                      Prob > F      =   0.4012
Total (centered) SS     =  392527.0248                Centered R2   =   0.8754
Total (uncentered) SS   =  392527.0248                Uncentered R2 =        .
Residual SS             =  392136.0552                Root MSE      =    15.95

-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |  -.0234232   .0130339    -1.80   0.073    -.0490777    .
> 0022313
                 pop |   .0234113   .0264086     0.89   0.376    -.0285686    .
> 0753912
               white |   4.569146   16.52896     0.28   0.782     -27.9647    3
> 7.10299
         home_median |  -.0166424   .0157851    -1.05   0.293    -.0477121    .
> 0144272
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             13.083
                                                   Chi-sq(1) P-val =    0.0003
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              218.027
                         (Kleibergen-Paap rk Wald F statistic):         15.882
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Included instruments: pop white home_median
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          175             175              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

. estimates store anti_capacityB_iv

. 
. reghdfe anti_env pop white home_median (cum_count_turbine=inter), absorb(stat
> eyear_fixed district_fixed) vce(cluster district_fixed) old
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2007
                                                      F(  4,   286) =     1.03
                                                      Prob > F      =   0.3934
Total (centered) SS     =  392527.0248                Centered R2   =   0.8756
Total (uncentered) SS   =  392527.0248                Uncentered R2 =        .
Residual SS             =  391638.3786                Root MSE      =    15.94

-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0411621   .0226153    -1.82   0.070    -.0856757    .003
> 3515
              pop |   .0234036   .0263865     0.89   0.376    -.0285328    .075
> 3399
            white |   3.704993    16.5341     0.22   0.823    -28.83896    36.2
> 4895
      home_median |  -.0166339   .0157388    -1.06   0.291    -.0476123    .014
> 3446
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             12.297
                                                   Chi-sq(1) P-val =    0.0005
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              224.158
                         (Kleibergen-Paap rk Wald F statistic):         14.835
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Included instruments: pop white home_median
Excluded instruments: inter
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          175             175              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

. estimates store anti_countB_iv

. 
. 
. *--------------------- Export LaTeX regression tables -----------------------
> *
. cd "$rootDir/$resultDir/Tables"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Results/Tables

. 
. ** IV estimates only
. esttab pro_capacityB_iv pro_countB_iv anti_capacityB_iv anti_countB_iv using 
> TableA15.tex, booktabs replace ///
>                 refcat(cum_capacity_turbine "\emph{Panel: IV}", nolabel) ///
>                 b(%9.3f) se noconstant nonotes legend star(* 0.10 ** 0.05 ***
>  0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" pop
>  "Total population (thousand)" white "White (\%)" home_median "Median gross r
> ent (\textdollar)" cum_count_turbine "Cumulative count", ///
>                 elist(cum_capacity_turbine \addlinespace  cum_count_turbine \
> addlinespace  pop \addlinespace  white \addlinespace)) ///
>                 varwidth(27) modelwidth(13) order(cum_capacity_turbine cum_co
> unt_turbine pop white home_median) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 stats(N N_clust r2, labels("Observations" "Districts" "\(R^{2
> }\)") fmt(0 0 2)) ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", patte
> rn(1 0 1 0) prefix(\multicolumn{@span}{c}{) suffix(}) span erepeat(\cmidrule(
> lr){@span})) ///
>                 width(\hsize)
(output written to TableA15.tex)

. 
. *****************************************************************************
> **
. /*                                                              Table A17    
>                                                             */
. *****************************************************************************
> **
. cd "$rootDir/$dataDir/Final"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Data/Final

. use votes_wind_panel.dta, clear

. 
. ** Create instrument and fixed effects
. gen t = year - 2003

. gen inter_median = t * median_wp

. gen inter_max = t * max_wp

. 
. egen stateyear_fixed = group(state year)

. egen district_fixed = group(state district)

. 
. ** Compare median and max zonal wind potential as IV
. foreach var in median max {
  2. reghdfe pro_env (cum_capacity_turbine=inter_`var'), absorb(stateyear_fixed
>  district_fixed) vce(cluster district_fixed) old
  3. estimates store pro_capacity_`var'_iv
  4. 
. reghdfe pro_env (cum_count_turbine=inter_`var'), absorb(stateyear_fixed distr
> ict_fixed) vce(cluster district_fixed) old
  5. estimates store pro_count_`var'_iv
  6. 
. reghdfe anti_env (cum_capacity_turbine=inter_`var'), absorb(stateyear_fixed d
> istrict_fixed) vce(cluster district_fixed) old
  7. estimates store anti_capacity_`var'_iv
  8. 
. reghdfe anti_env (cum_count_turbine=inter_`var'), absorb(stateyear_fixed dist
> rict_fixed) vce(cluster district_fixed) old
  9. estimates store anti_count_`var'_iv
 10. }
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     3.47
                                                      Prob > F      =   0.0635
Total (centered) SS     =  640958.6166                Centered R2   =   0.8633
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  644042.7458                Root MSE      =    16.63

-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0268002   .0143856     1.86   0.063    -.0015148    .
> 0551153
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             11.311
                                                   Chi-sq(1) P-val =    0.0008
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              202.586
                         (Kleibergen-Paap rk Wald F statistic):         11.876
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter_median
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     3.54
                                                      Prob > F      =   0.0607
Total (centered) SS     =  640958.6166                Centered R2   =   0.8639
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  641492.9036                Root MSE      =    16.59

-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0469357   .0249288     1.88   0.061    -.0021316    .096
> 0029
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             11.213
                                                   Chi-sq(1) P-val =    0.0008
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              214.665
                         (Kleibergen-Paap rk Wald F statistic):         11.798
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter_median
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     6.07
                                                      Prob > F      =   0.0143
Total (centered) SS     =  605217.3263                Centered R2   =   0.8629
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  638381.7318                Root MSE      =    16.55

-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   -.041101   .0166809    -2.46   0.014     -.073934    -
> .008268
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             11.311
                                                   Chi-sq(1) P-val =    0.0008
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              202.586
                         (Kleibergen-Paap rk Wald F statistic):         11.876
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter_median
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     6.16
                                                      Prob > F      =   0.0137
Total (centered) SS     =  605217.3263                Centered R2   =   0.8639
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  634148.7847                Root MSE      =     16.5

-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0719809   .0290105    -2.48   0.014    -.1290822   -.014
> 8796
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             11.213
                                                   Chi-sq(1) P-val =    0.0008
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              214.665
                         (Kleibergen-Paap rk Wald F statistic):         11.798
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter_median
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     2.18
                                                      Prob > F      =   0.1407
Total (centered) SS     =  640958.6166                Centered R2   =   0.8632
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  644879.1192                Root MSE      =    16.64

-------------------------------------------------------------------------------
-------
                     |               Robust
             pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   .0275134   .0186246     1.48   0.141    -.0091453     
> .064172
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             17.127
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              136.216
                         (Kleibergen-Paap rk Wald F statistic):         17.405
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter_max
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     2.22
                                                      Prob > F      =   0.1372
Total (centered) SS     =  640958.6166                Centered R2   =   0.8637
Total (uncentered) SS   =  640958.6166                Uncentered R2 =        .
Residual SS             =  642501.4291                Root MSE      =    16.61

-------------------------------------------------------------------------------
----
                  |               Robust
          pro_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |   .0486471   .0326415     1.49   0.137     -.015601    .112
> 8951
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             17.706
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              141.260
                         (Kleibergen-Paap rk Wald F statistic):         18.102
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter_max
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     1.97
                                                      Prob > F      =   0.1615
Total (centered) SS     =  605217.3263                Centered R2   =   0.8684
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  612794.3513                Root MSE      =    16.22

-------------------------------------------------------------------------------
-------
                     |               Robust
            anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. In
> terval]
---------------------+---------------------------------------------------------
-------
cum_capacity_turbine |   -.027325   .0194652    -1.40   0.161    -.0656382    .
> 0109881
-------------------------------------------------------------------------------
-------
Underidentification test (Kleibergen-Paap rk LM statistic):             17.127
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              136.216
                         (Kleibergen-Paap rk Wald F statistic):         17.405
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_capacity_turbine
Excluded instruments: inter_max
------------------------------------------------------------------------------

Absorbed degrees of freedom:
-----------------------------------------------------------------------+
         Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
---------------------+-------------------------------------------------|
     stateyear_fixed |          250             250              0     | 
      district_fixed |            0             287            287 *   | 
-----------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n
(running historical version of reghdfe)
(converged in 5 iterations)

HDFE IV (2SLS) estimation
-------------------------

Estimates efficient for homoskedasticity only
Statistics robust to heteroskedasticity and clustering on district_fixed

Number of clusters (district_fixed) =    287          Number of obs =     2868
                                                      F(  1,   286) =     2.00
                                                      Prob > F      =   0.1589
Total (centered) SS     =  605217.3263                Centered R2   =   0.8688
Total (uncentered) SS   =  605217.3263                Uncentered R2 =        .
Residual SS             =  611052.5094                Root MSE      =    16.19

-------------------------------------------------------------------------------
----
                  |               Robust
         anti_env |      Coef.   Std. Err.      t    P>|t|     [95% Conf. Inter
> val]
------------------+------------------------------------------------------------
----
cum_count_turbine |  -.0483141    .034204    -1.41   0.159    -.1156375    .019
> 0093
-------------------------------------------------------------------------------
----
Underidentification test (Kleibergen-Paap rk LM statistic):             17.706
                                                   Chi-sq(1) P-val =    0.0000
------------------------------------------------------------------------------
Weak identification test (Cragg-Donald Wald F statistic):              141.260
                         (Kleibergen-Paap rk Wald F statistic):         18.102
Stock-Yogo weak ID test critical values: 10% maximal IV size             16.38
                                         15% maximal IV size              8.96
                                         20% maximal IV size              6.66
                                         25% maximal IV size              5.53
Source: Stock-Yogo (2005).  Reproduced by permission.
NB: Critical values are for Cragg-Donald F statistic and i.i.d. errors.
------------------------------------------------------------------------------
Hansen J statistic (overidentification test of all instruments):         0.000
                                                 (equation exactly identified)
------------------------------------------------------------------------------
Instrumented:         cum_count_turbine
Excluded instruments: inter_max
------------------------------------------------------------------------------

Absorbed degrees of freedom:
--------------------------------------------------------------------+
      Absorbed FE |  Num. Coefs.  =   Categories  -   Redundant     | 
------------------+-------------------------------------------------|
  stateyear_fixed |          250             250              0     | 
   district_fixed |            0             287            287 *   | 
--------------------------------------------------------------------+
* = fixed effect nested within cluster; treated as redundant for DoF computatio
> n

. 
. 
. *--------------------- Export LaTeX regression tables -----------------------
> *
. cd "$rootDir/$resultDir/Tables"
/Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urpelainen Zhang
> )/JOP/UZ_JOP2021_Replication/Results/Tables

. 
. ** Median
. esttab pro_capacity_median_iv pro_count_median_iv anti_capacity_median_iv ant
> i_count_median_iv using TableA17.tex, booktabs replace ///
>                 refcat(cum_capacity_turbine "\emph{IV: Median wind potential 
> * time}", nolabel) ///
>                 b(%9.3f) se noconstant noobs nonotes star(* 0.10 ** 0.05 *** 
> 0.01) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum
> _count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 mtitles("Model" "Model" "Model" "Model") ///
>                 mgroups("Pro-Environment Vote" "Anti-Environment Vote", patte
> rn(1 0 1 0) prefix(\multicolumn{@span}{c}{) suffix(}) span erepeat(\cmidrule(
> lr){@span})) ///
>                 width(\hsize)
(output written to TableA17.tex)

. 
. ** Max
. esttab pro_capacity_max_iv pro_count_max_iv anti_capacity_max_iv anti_count_m
> ax_iv using TableA17.tex, booktabs append ///
>                 nomtitles se noconstant nonotes legend nonumbers collabels(no
> ne) star(* 0.10 ** 0.05 *** 0.01) ///
>                 b(%9.3f) stats(N N_clust r2, labels("Observations" "Districts
> " "\(R^{2}\)") fmt(0 0 2)) ///
>                 varlabels(cum_capacity_turbine "Cumulative capacity (MW)" cum
> _count_turbine "Cumulative count") varwidth(27) modelwidth(13) ///
>                 refcat(cum_capacity_turbine "\emph{IV: Max wind potential * t
> ime}", nolabel) ///
>                 width(\hsize)
(output written to TableA17.tex)

. 
. 
. ** Close log file
. log close
      name:  <unnamed>
       log:  /Users/AliceZhang/Dropbox/Research_Columbia/Renewables Voting (Urp
> elainen Zhang)/JOP/UZ_JOP2021_Replication/Analysis/logSTATA/004_analysis_envi
> ronment.smcl
  log type:  smcl
 closed on:   6 Nov 2021, 19:50:19
-------------------------------------------------------------------------------
